51116292 has 48 divisors (see below), whose sum is σ = 134713600. Its totient is φ = 16757280.

The previous prime is 51116269. The next prime is 51116323. The reversal of 51116292 is 29261115.

51116292 is a `hidden beast` number, since 511 + 1 + 62 + 92 = 666.

It is a super-2 number, since 2×51116292² = 5225750615658528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709 + ... + 10467.

Almost surely, 2^51116292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51116292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67356800).

51116292 is an abundant number, since it is smaller than the sum of its proper divisors (83597308).

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

51116292 is a wasteful number, since it uses less digits than its factorization.

51116292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7833 (or 7825 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 51116292 is about 7149.5658609457. The cubic root of 51116292 is about 371.1246327027.

The spelling of 51116292 in words is "fifty-one million, one hundred sixteen thousand, two hundred ninety-two".