51552555044 has 24 divisors (see below), whose sum is σ = 90355862520. Its totient is φ = 25736626944.

The previous prime is 51552555023. The next prime is 51552555053. The reversal of 51552555044 is 44055525515.

It can be written as a sum of positive squares in 4 ways, for example, as 21523824100 + 30028730944 = 146710^2 + 173288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51552554992 and 51552555010.

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, 12844382 + ... + 12848394.

It is an arithmetic number, because the mean of its divisors is an integer number (3764827605).

Almost surely, 2^51552555044 is an apocalyptic number.

It is an amenable number.

51552555044 is a deficient number, since it is larger than the sum of its proper divisors (38803307476).

51552555044 is a wasteful number, since it uses less digits than its factorization.

51552555044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 41.

The spelling of 51552555044 in words is "fifty-one billion, five hundred fifty-two million, five hundred fifty-five thousand, forty-four".