55552030450 has 48 divisors (see below), whose sum is σ = 118141081344. Its totient is φ = 19037808000.

The previous prime is 55552030447. The next prime is 55552030531. The reversal of 55552030450 is 5403025555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 765750 + ... + 835150.

It is an arithmetic number, because the mean of its divisors is an integer number (2461272528).

Almost surely, 2^55552030450 is an apocalyptic number.

55552030450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55552030450 is an abundant number, since it is smaller than the sum of its proper divisors (62589050894).

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

55552030450 is a wasteful number, since it uses less digits than its factorization.

55552030450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71707 (or 71702 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 55552030450 in words is "fifty-five billion, five hundred fifty-two million, thirty thousand, four hundred fifty".