55591454560 has 24 divisors (see below), whose sum is σ = 131334811776. Its totient is φ = 22236581760.

The previous prime is 55591454521. The next prime is 55591454573. The reversal of 55591454560 is 6545419555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173723136 + ... + 173723455.

It is an arithmetic number, because the mean of its divisors is an integer number (5472283824).

Almost surely, 2^55591454560 is an apocalyptic number.

It is an amenable number.

55591454560 is an abundant number, since it is smaller than the sum of its proper divisors (75743357216).

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

55591454560 is a wasteful number, since it uses less digits than its factorization.

55591454560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347446606 (or 347446598 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 55591454560 in words is "fifty-five billion, five hundred ninety-one million, four hundred fifty-four thousand, five hundred sixty".