55555150 has 48 divisors (see below), whose sum is σ = 125054496. Its totient is φ = 17925120.

The previous prime is 55555147. The next prime is 55555163. The reversal of 55555150 is 5155555.

It is a congruent number.

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, 1282 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (2605302).

Almost surely, 2^55555150 is an apocalyptic number.

55555150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55555150 is an abundant number, since it is smaller than the sum of its proper divisors (69499346).

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

55555150 is a wasteful number, since it uses less digits than its factorization.

55555150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373 (or 9368 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 55555150 is about 7453.5327194559. The cubic root of 55555150 is about 381.5704856917.

The spelling of 55555150 in words is "fifty-five million, five hundred fifty-five thousand, one hundred fifty".