56251144144532 has 6 divisors (see below), whose sum is σ = 98439502252938. Its totient is φ = 28125572072264.

The previous prime is 56251144144249. The next prime is 56251144144541. The reversal of 56251144144532 is 23544144115265.

It can be written as a sum of positive squares in only one way, i.e., 28978476183556 + 27272667960976 = 5383166^2 + 5222324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7031393018063 + ... + 7031393018070.

It is an arithmetic number, because the mean of its divisors is an integer number (16406583708823).

Almost surely, 2^{56251144144532} is an apocalyptic number.

It is an amenable number.

56251144144532 is a deficient number, since it is larger than the sum of its proper divisors (42188358108406).

56251144144532 is a wasteful number, since it uses less digits than its factorization.

56251144144532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062786036137 (or 14062786036135 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

Adding to 56251144144532 its reverse (23544144115265), we get a palindrome (79795288259797).

The spelling of 56251144144532 in words is "fifty-six trillion, two hundred fifty-one billion, one hundred forty-four million, one hundred forty-four thousand, five hundred thirty-two".