51876825 has 96 divisors (see below), whose sum is σ = 115325952. Its totient is φ = 19872000.

The previous prime is 51876817. The next prime is 51876829. The reversal of 51876825 is 52867815.

It is not a de Polignac number, because 51876825 - 2³ = 51876817 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51876829) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74730 + ... + 75420.

It is an arithmetic number, because the mean of its divisors is an integer number (1201312).

Almost surely, 2^51876825 is an apocalyptic number.

51876825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51876825 is an abundant number, since it is smaller than the sum of its proper divisors (63449127).

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

51876825 is a wasteful number, since it uses less digits than its factorization.

51876825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 730 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 51876825 is about 7202.5568376792. The cubic root of 51876825 is about 372.9561698146.

The spelling of 51876825 in words is "fifty-one million, eight hundred seventy-six thousand, eight hundred twenty-five".