551150550 has 72 divisors (see below), whose sum is σ = 1528562880. Its totient is φ = 142228800.

The previous prime is 551150533. The next prime is 551150563. The reversal of 551150550 is 55051155.

551150550 is a `hidden beast` number, since 55 + 11 + 50 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5805 + ... + 33704.

It is an arithmetic number, because the mean of its divisors is an integer number (21230040).

Almost surely, 2^551150550 is an apocalyptic number.

551150550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551150550 is an abundant number, since it is smaller than the sum of its proper divisors (977412330).

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

551150550 is a wasteful number, since it uses less digits than its factorization.

551150550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39558 (or 39550 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 551150550 is about 23476.5957924057. The cubic root of 551150550 is about 819.8921878879.

The spelling of 551150550 in words is "five hundred fifty-one million, one hundred fifty thousand, five hundred fifty".