53774321 has 4 divisors (see below), whose sum is σ = 54184944. Its totient is φ = 53363700.

The previous prime is 53774317. The next prime is 53774341. The reversal of 53774321 is 12347735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53774321 - 2² = 53774317 is a prime.

It is a super-2 number, since 2×53774321² = 5783355198022082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53774341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205115 + ... + 205376.

It is an arithmetic number, because the mean of its divisors is an integer number (13546236).

Almost surely, 2^53774321 is an apocalyptic number.

It is an amenable number.

53774321 is a deficient number, since it is larger than the sum of its proper divisors (410623).

53774321 is a wasteful number, since it uses less digits than its factorization.

53774321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410622.

The product of its digits is 17640, while the sum is 32.

The square root of 53774321 is about 7333.0976401518. The cubic root of 53774321 is about 377.4490283941.

The spelling of 53774321 in words is "fifty-three million, seven hundred seventy-four thousand, three hundred twenty-one".