51887088 has 160 divisors (see below), whose sum is σ = 166060800. Its totient is φ = 15379200.

The previous prime is 51887071. The next prime is 51887093. The reversal of 51887088 is 88078815.

It is a happy number.

It is a super-2 number, since 2×51887088² = 5384539802239488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289783 + ... + 289961.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880).

Almost surely, 2^51887088 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 51887088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83030400).

51887088 is an abundant number, since it is smaller than the sum of its proper divisors (114173712).

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

51887088 is a wasteful number, since it uses less digits than its factorization.

51887088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The square root of 51887088 is about 7203.2692577746. The cubic root of 51887088 is about 372.9807626637.

The spelling of 51887088 in words is "fifty-one million, eight hundred eighty-seven thousand, eighty-eight".