51552143504 has 10 divisors (see below), whose sum is σ = 99882278070. Its totient is φ = 25776071744.

The previous prime is 51552143453. The next prime is 51552143507. The reversal of 51552143504 is 40534125515.

It can be written as a sum of positive squares in only one way, i.e., 45433775104 + 6118368400 = 213152^2 + 78220^2 .

It is not an unprimeable number, because it can be changed into a prime (51552143507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611004469 + ... + 1611004500.

It is an arithmetic number, because the mean of its divisors is an integer number (9988227807).

Almost surely, 2^51552143504 is an apocalyptic number.

It is an amenable number.

51552143504 is a deficient number, since it is larger than the sum of its proper divisors (48330134566).

51552143504 is a wasteful number, since it uses less digits than its factorization.

51552143504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222008977 (or 3222008971 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 51552143504 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-three thousand, five hundred four".