55405000554 has 64 divisors (see below), whose sum is σ = 113654016000. Its totient is φ = 18000416000.

The previous prime is 55405000549. The next prime is 55405000579. The reversal of 55405000554 is 45500050455.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21234802 + ... + 21237410.

It is an arithmetic number, because the mean of its divisors is an integer number (1775844000).

Almost surely, 2^55405000554 is an apocalyptic number.

55405000554 is an abundant number, since it is smaller than the sum of its proper divisors (58249015446).

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

55405000554 is a wasteful number, since it uses less digits than its factorization.

55405000554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163.

The product of its (nonzero) digits is 50000, while the sum is 33.

The spelling of 55405000554 in words is "fifty-five billion, four hundred five million, five hundred fifty-four", and thus it is an aban number.