56198425031 has 16 divisors (see below), whose sum is σ = 66358516224. Its totient is φ = 46593023904.

The previous prime is 56198425027. The next prime is 56198425033. The reversal of 56198425031 is 13052489165.

It is a happy number.

It is not a de Polignac number, because 56198425031 - 2² = 56198425027 is a prime.

It is a super-2 number, since 2×56198425031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56198425033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875336 + ... + 937341.

It is an arithmetic number, because the mean of its divisors is an integer number (4147407264).

Almost surely, 2^56198425031 is an apocalyptic number.

56198425031 is a deficient number, since it is larger than the sum of its proper divisors (10160091193).

56198425031 is a wasteful number, since it uses less digits than its factorization.

56198425031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812830.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 56198425031 in words is "fifty-six billion, one hundred ninety-eight million, four hundred twenty-five thousand, thirty-one".