51810892 has 24 divisors (see below), whose sum is σ = 105579936. Its totient is φ = 21785088.

The previous prime is 51810887. The next prime is 51810923. The reversal of 51810892 is 29801815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15973 + ... + 18940.

It is an arithmetic number, because the mean of its divisors is an integer number (4399164).

Almost surely, 2^51810892 is an apocalyptic number.

It is an amenable number.

51810892 is an abundant number, since it is smaller than the sum of its proper divisors (53769044).

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

51810892 is a wasteful number, since it uses less digits than its factorization.

51810892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34977 (or 34975 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 51810892 is about 7197.9783272805. The cubic root of 51810892 is about 372.7980995900.

The spelling of 51810892 in words is "fifty-one million, eight hundred ten thousand, eight hundred ninety-two".