51793416 has 24 divisors (see below), whose sum is σ = 140274030. Its totient is φ = 17264448.

The previous prime is 51793409. The next prime is 51793439. The reversal of 51793416 is 61439715.

It can be written as a sum of positive squares in only one way, i.e., 49702500 + 2090916 = 7050^2 + 1446^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359605 + ... + 359748.

Almost surely, 2^51793416 is an apocalyptic number.

It is an amenable number.

51793416 is an abundant number, since it is smaller than the sum of its proper divisors (88480614).

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

51793416 is a wasteful number, since it uses less digits than its factorization.

51793416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719365 (or 719358 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 51793416 is about 7196.7642729215. The cubic root of 51793416 is about 372.7561794969.

The spelling of 51793416 in words is "fifty-one million, seven hundred ninety-three thousand, four hundred sixteen".