55158665451670 has 96 divisors (see below), whose sum is σ = 116287643382624. Its totient is φ = 18757589959680.

The previous prime is 55158665451667. The next prime is 55158665451737. The reversal of 55158665451670 is 7615456685155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5310352 + ... + 11769331.

It is an arithmetic number, because the mean of its divisors is an integer number (1211329618569).

Almost surely, 2^{55158665451670} is an apocalyptic number.

55158665451670 is an abundant number, since it is smaller than the sum of its proper divisors (61128977930954).

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

55158665451670 is a wasteful number, since it uses less digits than its factorization.

55158665451670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17079886 (or 17079875 counting only the distinct ones).

The product of its (nonzero) digits is 151200000, while the sum is 64.

The spelling of 55158665451670 in words is "fifty-five trillion, one hundred fifty-eight billion, six hundred sixty-five million, four hundred fifty-one thousand, six hundred seventy".