53557512642 has 48 divisors (see below), whose sum is σ = 117553587840. Its totient is φ = 17620009056.

The previous prime is 53557512601. The next prime is 53557512667. The reversal of 53557512642 is 24621575535.

It is a happy number.

53557512642 is a `hidden beast` number, since 5 + 3 + 5 + 575 + 12 + 64 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5223573 + ... + 5233815.

It is an arithmetic number, because the mean of its divisors is an integer number (2449033080).

Almost surely, 2^53557512642 is an apocalyptic number.

53557512642 is an abundant number, since it is smaller than the sum of its proper divisors (63996075198).

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

53557512642 is a wasteful number, since it uses less digits than its factorization.

53557512642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007 (or 14004 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The spelling of 53557512642 in words is "fifty-three billion, five hundred fifty-seven million, five hundred twelve thousand, six hundred forty-two".