51552488 has 32 divisors (see below), whose sum is σ = 107692200. Its totient is φ = 22971648.

The previous prime is 51552481. The next prime is 51552497. The reversal of 51552488 is 88425515.

It can be written as a sum of positive squares in 4 ways, for example, as 37429924 + 14122564 = 6118^2 + 3758^2 .

It is not an unprimeable number, because it can be changed into a prime (51552481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5531 + ... + 11562.

Almost surely, 2^51552488 is an apocalyptic number.

51552488 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51552488 is an abundant number, since it is smaller than the sum of its proper divisors (56139712).

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

51552488 is a wasteful number, since it uses less digits than its factorization.

51552488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17141 (or 17137 counting only the distinct ones).

The product of its digits is 64000, while the sum is 38.

The square root of 51552488 is about 7180.0061281311. The cubic root of 51552488 is about 372.1772963014.

The spelling of 51552488 in words is "fifty-one million, five hundred fifty-two thousand, four hundred eighty-eight".