30540455 has 16 divisors (see below), whose sum is σ = 40738464. Its totient is φ = 21790080.

The previous prime is 30540421. The next prime is 30540463. The reversal of 30540455 is 55404503.

It is not a de Polignac number, because 30540455 - 2²⁰ = 29491879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2324 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (2546154).

Almost surely, 2^30540455 is an apocalyptic number.

30540455 is a deficient number, since it is larger than the sum of its proper divisors (10198009).

30540455 is a wasteful number, since it uses less digits than its factorization.

30540455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 30540455 is about 5526.3419184846. The cubic root of 30540455 is about 312.5780668962.

Adding to 30540455 its reverse (55404503), we get a palindrome (85944958).

The spelling of 30540455 in words is "thirty million, five hundred forty thousand, four hundred fifty-five".