551957248 has 18 divisors (see below), whose sum is σ = 1101758924. Its totient is φ = 275978496.

The previous prime is 551957233. The next prime is 551957249. The reversal of 551957248 is 842759155.

It is a junction number, because it is equal to n+sod(n) for n = 551957198 and 551957207.

It is not an unprimeable number, because it can be changed into a prime (551957249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077786 + ... + 1078297.

Almost surely, 2^551957248 is an apocalyptic number.

It is an amenable number.

551957248 is a deficient number, since it is larger than the sum of its proper divisors (549801676).

551957248 is an equidigital number, since it uses as much as digits as its factorization.

551957248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156099 (or 2156085 counting only the distinct ones).

The product of its digits is 504000, while the sum is 46.

The square root of 551957248 is about 23493.7704083444. The cubic root of 551957248 is about 820.2920078398.

The spelling of 551957248 in words is "five hundred fifty-one million, nine hundred fifty-seven thousand, two hundred forty-eight".