51888552 has 96 divisors (see below), whose sum is σ = 139886880. Its totient is φ = 16030080.

The previous prime is 51888547. The next prime is 51888581. The reversal of 51888552 is 25588815.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774423 + ... + 774489.

It is an arithmetic number, because the mean of its divisors is an integer number (1457155).

Almost surely, 2^51888552 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 51888552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69943440).

51888552 is an abundant number, since it is smaller than the sum of its proper divisors (87998328).

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

51888552 is a wasteful number, since it uses less digits than its factorization.

51888552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 156 counting only the distinct ones).

The product of its digits is 128000, while the sum is 42.

The square root of 51888552 is about 7203.3708775822. The cubic root of 51888552 is about 372.9842705287.

The spelling of 51888552 in words is "fifty-one million, eight hundred eighty-eight thousand, five hundred fifty-two".