51244038 has 24 divisors (see below), whose sum is σ = 114031008. Its totient is φ = 16619472.

The previous prime is 51244021. The next prime is 51244043. The reversal of 51244038 is 83044215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37806 + ... + 39137.

It is an arithmetic number, because the mean of its divisors is an integer number (4751292).

Almost surely, 2^51244038 is an apocalyptic number.

51244038 is an abundant number, since it is smaller than the sum of its proper divisors (62786970).

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

51244038 is a wasteful number, since it uses less digits than its factorization.

51244038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76988 (or 76985 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 51244038 is about 7158.4941153849. The cubic root of 51244038 is about 371.4335377893.

The spelling of 51244038 in words is "fifty-one million, two hundred forty-four thousand, thirty-eight".