55461230664 has 64 divisors (see below), whose sum is σ = 158490675840. Its totient is φ = 15843064320.

The previous prime is 55461230621. The next prime is 55461230677. The reversal of 55461230664 is 46603216455.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949572 + ... + 1006284.

It is an arithmetic number, because the mean of its divisors is an integer number (2476416810).

Almost surely, 2^55461230664 is an apocalyptic number.

It is an amenable number.

55461230664 is an abundant number, since it is smaller than the sum of its proper divisors (103029445176).

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

55461230664 is a wasteful number, since it uses less digits than its factorization.

55461230664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62550 (or 62546 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 55461230664 in words is "fifty-five billion, four hundred sixty-one million, two hundred thirty thousand, six hundred sixty-four".