551275101 has 48 divisors (see below), whose sum is σ = 919900800. Its totient is φ = 315259776.

The previous prime is 551275097. The next prime is 551275111. The reversal of 551275101 is 101572155.

551275101 is a `hidden beast` number, since 551 + 2 + 7 + 5 + 101 = 666.

It is not a de Polignac number, because 551275101 - 2² = 551275097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551275111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115480 + ... + 120158.

It is an arithmetic number, because the mean of its divisors is an integer number (19164600).

Almost surely, 2^551275101 is an apocalyptic number.

It is an amenable number.

551275101 is a deficient number, since it is larger than the sum of its proper divisors (368625699).

551275101 is a wasteful number, since it uses less digits than its factorization.

551275101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 551275101 is about 23479.2483056847. The cubic root of 551275101 is about 819.9539439729.

The spelling of 551275101 in words is "five hundred fifty-one million, two hundred seventy-five thousand, one hundred one".