51554525013 has 12 divisors (see below), whose sum is σ = 74469683808. Its totient is φ = 34368743400.

The previous prime is 51554525003. The next prime is 51554525051. The reversal of 51554525013 is 31052545515.

51554525013 is a `hidden beast` number, since 5 + 1 + 554 + 52 + 50 + 1 + 3 = 666.

It is not a de Polignac number, because 51554525013 - 2⁵ = 51554524981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51554525003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474106 + ... + 572612.

It is an arithmetic number, because the mean of its divisors is an integer number (6205806984).

Almost surely, 2^51554525013 is an apocalyptic number.

It is an amenable number.

51554525013 is a deficient number, since it is larger than the sum of its proper divisors (22915158795).

51554525013 is a wasteful number, since it uses less digits than its factorization.

51554525013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156664 (or 156661 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 51554525013 in words is "fifty-one billion, five hundred fifty-four million, five hundred twenty-five thousand, thirteen".