51025636 has 24 divisors (see below), whose sum is σ = 94874976. Its totient is φ = 23928960.

The previous prime is 51025631. The next prime is 51025651. The reversal of 51025636 is 63652015.

It is not an unprimeable number, because it can be changed into a prime (51025631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21375 + ... + 23641.

It is an arithmetic number, because the mean of its divisors is an integer number (3953124).

Almost surely, 2^51025636 is an apocalyptic number.

It is an amenable number.

51025636 is a deficient number, since it is larger than the sum of its proper divisors (43849340).

51025636 is a wasteful number, since it uses less digits than its factorization.

51025636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619 (or 2617 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 51025636 is about 7143.2230820548. The cubic root of 51025636 is about 370.9051033192.

The spelling of 51025636 in words is "fifty-one million, twenty-five thousand, six hundred thirty-six".