56426131000 has 32 divisors (see below), whose sum is σ = 132037148880. Its totient is φ = 22570452000.

The previous prime is 56426130997. The next prime is 56426131019. The reversal of 56426131000 is 13162465.

It is a super-2 number, since 2×56426131000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56426131000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28212066 + ... + 28214065.

Almost surely, 2^56426131000 is an apocalyptic number.

56426131000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56426131000 is an abundant number, since it is smaller than the sum of its proper divisors (75611017880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56426131000 is a wasteful number, since it uses less digits than its factorization.

56426131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56426152 (or 56426138 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 56426131000 its reverse (13162465), we get a palindrome (56439293465).

The spelling of 56426131000 in words is "fifty-six billion, four hundred twenty-six million, one hundred thirty-one thousand".