51819092 has 48 divisors (see below), whose sum is σ = 104748672. Its totient is φ = 22239360.

The previous prime is 51819067. The next prime is 51819109. The reversal of 51819092 is 29091815.

It is a congruent number.

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, 43667 + ... + 44837.

It is an arithmetic number, because the mean of its divisors is an integer number (2182264).

Almost surely, 2^51819092 is an apocalyptic number.

51819092 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51819092 is an abundant number, since it is smaller than the sum of its proper divisors (52929580).

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

51819092 is a wasteful number, since it uses less digits than its factorization.

51819092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 51819092 is about 7198.5479091272. The cubic root of 51819092 is about 372.8177658740.

The spelling of 51819092 in words is "fifty-one million, eight hundred nineteen thousand, ninety-two".