56904135 has 16 divisors (see below), whose sum is σ = 91324896. Its totient is φ = 30256128.

The previous prime is 56904131. The next prime is 56904137. The reversal of 56904135 is 53140965.

It is a happy number.

56904135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56904135 - 2² = 56904131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56904096 and 56904105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56904131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (5707806).

Almost surely, 2^56904135 is an apocalyptic number.

56904135 is a deficient number, since it is larger than the sum of its proper divisors (34420761).

56904135 is a wasteful number, since it uses less digits than its factorization.

56904135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11602.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 56904135 is about 7543.4829488771. The cubic root of 56904135 is about 384.6342396859.

The spelling of 56904135 in words is "fifty-six million, nine hundred four thousand, one hundred thirty-five".