56604147929 has 4 divisors (see below), whose sum is σ = 64690454784. Its totient is φ = 48517841076.

The previous prime is 56604147913. The next prime is 56604147961. The reversal of 56604147929 is 92974140665.

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 56604147929 - 2⁴ = 56604147913 is a prime.

It is a super-2 number, since 2×56604147929² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56604147989) 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, 4043153417 + ... + 4043153430.

It is an arithmetic number, because the mean of its divisors is an integer number (16172613696).

Almost surely, 2^56604147929 is an apocalyptic number.

It is an amenable number.

56604147929 is a deficient number, since it is larger than the sum of its proper divisors (8086306855).

56604147929 is an equidigital number, since it uses as much as digits as its factorization.

56604147929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086306854.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 56604147929 in words is "fifty-six billion, six hundred four million, one hundred forty-seven thousand, nine hundred twenty-nine".