55342512520 has 16 divisors (see below), whose sum is σ = 124520653260. Its totient is φ = 22137004992.

The previous prime is 55342512469. The next prime is 55342512527. The reversal of 55342512520 is 2521524355.

55342512520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52524389124 + 2818123396 = 229182^2 + 53086^2 .

It is not an unprimeable number, because it can be changed into a prime (55342512527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691781367 + ... + 691781446.

Almost surely, 2^55342512520 is an apocalyptic number.

It is an amenable number.

55342512520 is an abundant number, since it is smaller than the sum of its proper divisors (69178140740).

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

55342512520 is a wasteful number, since it uses less digits than its factorization.

55342512520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383562824 (or 1383562820 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 55342512520 in words is "fifty-five billion, three hundred forty-two million, five hundred twelve thousand, five hundred twenty".