52140646 has 8 divisors (see below), whose sum is σ = 78316560. Its totient is φ = 26035128.

The previous prime is 52140631. The next prime is 52140653. The reversal of 52140646 is 64604125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15706 + ... + 18733.

It is an arithmetic number, because the mean of its divisors is an integer number (9789570).

Almost surely, 2^52140646 is an apocalyptic number.

52140646 is a deficient number, since it is larger than the sum of its proper divisors (26175914).

52140646 is a wasteful number, since it uses less digits than its factorization.

52140646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35198.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 52140646 is about 7220.8480111411. The cubic root of 52140646 is about 373.5873273354.

The spelling of 52140646 in words is "fifty-two million, one hundred forty thousand, six hundred forty-six".