51214790 has 64 divisors (see below), whose sum is σ = 108490752. Its totient is φ = 17212800.

The previous prime is 51214769. The next prime is 51214811. The reversal of 51214790 is 9741215.

It is an interprime number because it is at equal distance from previous prime (51214769) and next prime (51214811).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78104 + ... + 78756.

It is an arithmetic number, because the mean of its divisors is an integer number (1695168).

Almost surely, 2^51214790 is an apocalyptic number.

51214790 is an abundant number, since it is smaller than the sum of its proper divisors (57275962).

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

51214790 is a wasteful number, since it uses less digits than its factorization.

51214790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 51214790 is about 7156.4509360436. The cubic root of 51214790 is about 371.3628579858.

The spelling of 51214790 in words is "fifty-one million, two hundred fourteen thousand, seven hundred ninety".