51524664144 has 40 divisors (see below), whose sum is σ = 133121762400. Its totient is φ = 17172774528.

The previous prime is 51524664083. The next prime is 51524664161. The reversal of 51524664144 is 44146642515.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51524664096 and 51524664105.

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, 355854 + ... + 479250.

It is an arithmetic number, because the mean of its divisors is an integer number (3328044060).

Almost surely, 2^51524664144 is an apocalyptic number.

It is an amenable number.

51524664144 is an abundant number, since it is smaller than the sum of its proper divisors (81597098256).

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

51524664144 is a wasteful number, since it uses less digits than its factorization.

51524664144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132107 (or 132101 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The spelling of 51524664144 in words is "fifty-one billion, five hundred twenty-four million, six hundred sixty-four thousand, one hundred forty-four".