51888624 has 40 divisors (see below), whose sum is σ = 141932880. Its totient is φ = 16278528.

The previous prime is 51888593. The next prime is 51888631. The reversal of 51888624 is 42688815.

51888624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51888624² = 5384858601226752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30979 + ... + 32610.

It is an arithmetic number, because the mean of its divisors is an integer number (3548322).

Almost surely, 2^51888624 is an apocalyptic number.

It is an amenable number.

51888624 is an abundant number, since it is smaller than the sum of its proper divisors (90044256).

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

51888624 is a wasteful number, since it uses less digits than its factorization.

51888624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63617 (or 63611 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 51888624 is about 7203.3758752407. The cubic root of 51888624 is about 372.9844430449.

It can be divided in two parts, 51 and 888624, that multiplied together give a square (45319824 = 6732²).

The spelling of 51888624 in words is "fifty-one million, eight hundred eighty-eight thousand, six hundred twenty-four".