51552035320 has 32 divisors (see below), whose sum is σ = 121035215520. Its totient is φ = 19724256640.

The previous prime is 51552035303. The next prime is 51552035333. The reversal of 51552035320 is 2353025515.

It is a super-2 number, since 2×51552035320² (a number of 22 digits) contains 22 as substring.

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, 28016491 + ... + 28018330.

It is an arithmetic number, because the mean of its divisors is an integer number (3782350485).

Almost surely, 2^51552035320 is an apocalyptic number.

It is an amenable number.

51552035320 is an abundant number, since it is smaller than the sum of its proper divisors (69483180200).

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

51552035320 is a wasteful number, since it uses less digits than its factorization.

51552035320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56034855 (or 56034851 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 51552035320 in words is "fifty-one billion, five hundred fifty-two million, thirty-five thousand, three hundred twenty".