51168798 has 12 divisors (see below), whose sum is σ = 110865768. Its totient is φ = 17056260.

The previous prime is 51168781. The next prime is 51168809. The reversal of 51168798 is 89786115.

51168798 is a `hidden beast` number, since 511 + 68 + 79 + 8 = 666.

It is a congruent number.

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, 1421338 + ... + 1421373.

It is an arithmetic number, because the mean of its divisors is an integer number (9238814).

Almost surely, 2^51168798 is an apocalyptic number.

51168798 is an abundant number, since it is smaller than the sum of its proper divisors (59696970).

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

51168798 is a wasteful number, since it uses less digits than its factorization.

51168798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842719 (or 2842716 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 51168798 is about 7153.2368896885. The cubic root of 51168798 is about 371.2516607075.

The spelling of 51168798 in words is "fifty-one million, one hundred sixty-eight thousand, seven hundred ninety-eight".