51902624 has 24 divisors (see below), whose sum is σ = 102680928. Its totient is φ = 25824960.

The previous prime is 51902611. The next prime is 51902629. The reversal of 51902624 is 42620915.

It is a happy number.

51902624 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-3 number, since 3×51902624³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51902629) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2909 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (4278372).

Almost surely, 2^51902624 is an apocalyptic number.

It is an amenable number.

51902624 is a deficient number, since it is larger than the sum of its proper divisors (50778304).

51902624 is a wasteful number, since it uses less digits than its factorization.

51902624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908 (or 7900 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 51902624 is about 7204.3475762903. The cubic root of 51902624 is about 373.0179848391.

The spelling of 51902624 in words is "fifty-one million, nine hundred two thousand, six hundred twenty-four".