51047024 has 30 divisors (see below), whose sum is σ = 115052904. Its totient is φ = 21876960.

The previous prime is 51047023. The next prime is 51047071. The reversal of 51047024 is 42074015.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51047021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31772 + ... + 33339.

Almost surely, 2^51047024 is an apocalyptic number.

It is an amenable number.

51047024 is an abundant number, since it is smaller than the sum of its proper divisors (64005880).

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

51047024 is a wasteful number, since it uses less digits than its factorization.

51047024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65133 (or 65120 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 51047024 is about 7144.7200085098. The cubic root of 51047024 is about 370.9569191699.

The spelling of 51047024 in words is "fifty-one million, forty-seven thousand, twenty-four".