551872408 has 16 divisors (see below), whose sum is σ = 1048936680. Its totient is φ = 272155968.

The previous prime is 551872403. The next prime is 551872417. The reversal of 551872408 is 804278155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551872403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471910 + ... + 473077.

Almost surely, 2^551872408 is an apocalyptic number.

It is an amenable number.

551872408 is a deficient number, since it is larger than the sum of its proper divisors (497064272).

551872408 is a wasteful number, since it uses less digits than its factorization.

551872408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945066 (or 945062 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 551872408 is about 23491.9647539324. The cubic root of 551872408 is about 820.2499773261.

The spelling of 551872408 in words is "five hundred fifty-one million, eight hundred seventy-two thousand, four hundred eight".