51057532 has 12 divisors (see below), whose sum is σ = 89951400. Its totient is φ = 25357136.

The previous prime is 51057529. The next prime is 51057593. The reversal of 51057532 is 23575015.

51057532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51057532.

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 3 ways as a sum of consecutive naturals, for example, 42238 + ... + 43429.

It is an arithmetic number, because the mean of its divisors is an integer number (7495950).

Almost surely, 2^51057532 is an apocalyptic number.

It is an amenable number.

51057532 is a deficient number, since it is larger than the sum of its proper divisors (38893868).

51057532 is a wasteful number, since it uses less digits than its factorization.

51057532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85820 (or 85818 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 51057532 is about 7145.4553388850. The cubic root of 51057532 is about 370.9823711784.

The spelling of 51057532 in words is "fifty-one million, fifty-seven thousand, five hundred thirty-two".