551872455 has 16 divisors (see below), whose sum is σ = 891571200. Its totient is φ = 291473568.

The previous prime is 551872441. The next prime is 551872463. The reversal of 551872455 is 554278155.

It is not a de Polignac number, because 551872455 - 2¹⁰ = 551871431 is a prime.

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, 177055 + ... + 180144.

It is an arithmetic number, because the mean of its divisors is an integer number (55723200).

Almost surely, 2^551872455 is an apocalyptic number.

551872455 is a deficient number, since it is larger than the sum of its proper divisors (339698745).

551872455 is a wasteful number, since it uses less digits than its factorization.

551872455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357310.

The product of its digits is 280000, while the sum is 42.

The square root of 551872455 is about 23491.9657542744. The cubic root of 551872455 is about 820.2500006116.

The spelling of 551872455 in words is "five hundred fifty-one million, eight hundred seventy-two thousand, four hundred fifty-five".