51504011010 has 48 divisors (see below), whose sum is σ = 138230127360. Its totient is φ = 13291356960.

The previous prime is 51504010993. The next prime is 51504011011. The reversal of 51504011010 is 1011040515.

It is a happy number.

51504011010 is a `hidden beast` number, since 51 + 504 + 0 + 110 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51504011011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9227320 + ... + 9232899.

It is an arithmetic number, because the mean of its divisors is an integer number (2879794320).

Almost surely, 2^51504011010 is an apocalyptic number.

51504011010 is an abundant number, since it is smaller than the sum of its proper divisors (86726116350).

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

51504011010 is a wasteful number, since it uses less digits than its factorization.

51504011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18460263 (or 18460260 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 51504011010 its reverse (1011040515), we get a palindrome (52515051525).

The spelling of 51504011010 in words is "fifty-one billion, five hundred four million, eleven thousand, ten".