51856104 has 16 divisors (see below), whose sum is σ = 129640320. Its totient is φ = 17285360.

The previous prime is 51856097. The next prime is 51856109. The reversal of 51856104 is 40165815.

It is not an unprimeable number, because it can be changed into a prime (51856109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080312 + ... + 1080359.

It is an arithmetic number, because the mean of its divisors is an integer number (8102520).

Almost surely, 2^51856104 is an apocalyptic number.

It is an amenable number.

51856104 is an abundant number, since it is smaller than the sum of its proper divisors (77784216).

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

51856104 is a wasteful number, since it uses less digits than its factorization.

51856104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160680 (or 2160676 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51856104 is about 7201.1182464948. The cubic root of 51856104 is about 372.9065069580.

The spelling of 51856104 in words is "fifty-one million, eight hundred fifty-six thousand, one hundred four".