551257488 has 200 divisors, whose sum is σ = 1711656320. Its totient is φ = 170760960.

The previous prime is 551257477. The next prime is 551257493. The reversal of 551257488 is 884752155.

551257488 is a `hidden beast` number, since 5 + 512 + 57 + 4 + 88 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1501881 + ... + 1502247.

Almost surely, 2^551257488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551257488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855828160).

551257488 is an abundant number, since it is smaller than the sum of its proper divisors (1160398832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551257488 is a wasteful number, since it uses less digits than its factorization.

551257488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 452 counting only the distinct ones).

The product of its digits is 448000, while the sum is 45.

The square root of 551257488 is about 23478.8732267969. The cubic root of 551257488 is about 819.9452114891.

The spelling of 551257488 in words is "five hundred fifty-one million, two hundred fifty-seven thousand, four hundred eighty-eight".