51289024 has 28 divisors (see below), whose sum is σ = 104149144. Its totient is φ = 25046784.

The previous prime is 51289019. The next prime is 51289027. The reversal of 51289024 is 42098215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51289027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6567 + ... + 12070.

Almost surely, 2^51289024 is an apocalyptic number.

It is an amenable number.

51289024 is an abundant number, since it is smaller than the sum of its proper divisors (52860120).

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

51289024 is a wasteful number, since it uses less digits than its factorization.

51289024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692 (or 18682 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51289024 is about 7161.6355673826. The cubic root of 51289024 is about 371.5421970766.

The spelling of 51289024 in words is "fifty-one million, two hundred eighty-nine thousand, twenty-four".