56503154412 has 72 divisors (see below), whose sum is σ = 143315827200. Its totient is φ = 18770103648.

The previous prime is 56503154377. The next prime is 56503154423. The reversal of 56503154412 is 21445130565.

56503154412 is a `hidden beast` number, since 56 + 50 + 3 + 1 + 544 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14415789 + ... + 14419707.

It is an arithmetic number, because the mean of its divisors is an integer number (1990497600).

Almost surely, 2^56503154412 is an apocalyptic number.

It is an amenable number.

56503154412 is an abundant number, since it is smaller than the sum of its proper divisors (86812672788).

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

56503154412 is a wasteful number, since it uses less digits than its factorization.

56503154412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5190 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 56503154412 its reverse (21445130565), we get a palindrome (77948284977).

The spelling of 56503154412 in words is "fifty-six billion, five hundred three million, one hundred fifty-four thousand, four hundred twelve".