551272990 has 32 divisors (see below), whose sum is σ = 1036424160. Its totient is φ = 210904704.

The previous prime is 551272979. The next prime is 551273033. The reversal of 551272990 is 99272155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9204 + ... + 34456.

It is an arithmetic number, because the mean of its divisors is an integer number (32388255).

Almost surely, 2^551272990 is an apocalyptic number.

551272990 is a deficient number, since it is larger than the sum of its proper divisors (485151170).

551272990 is a wasteful number, since it uses less digits than its factorization.

551272990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25356.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 551272990 is about 23479.2033510509. The cubic root of 551272990 is about 819.9528973539.

The spelling of 551272990 in words is "five hundred fifty-one million, two hundred seventy-two thousand, nine hundred ninety".