55731342914240 has 56 divisors (see below), whose sum is σ = 151668868936992. Its totient is φ = 19107888998400.

The previous prime is 55731342914069. The next prime is 55731342914267. The reversal of 55731342914240 is 4241924313755.

It is a tau number, because it is divible by the number of its divisors (56).

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, 12440029661 + ... + 12440034140.

Almost surely, 2^{55731342914240} is an apocalyptic number.

It is an amenable number.

55731342914240 is an abundant number, since it is smaller than the sum of its proper divisors (95937526022752).

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

55731342914240 is a wasteful number, since it uses less digits than its factorization.

55731342914240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24880063825 (or 24880063815 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 55731342914240 in words is "fifty-five trillion, seven hundred thirty-one billion, three hundred forty-two million, nine hundred fourteen thousand, two hundred forty".