51983025 has 24 divisors (see below), whose sum is σ = 91003104. Its totient is φ = 26092800.

The previous prime is 51983021. The next prime is 51983053. The reversal of 51983025 is 52038915.

It is not a de Polignac number, because 51983025 - 2² = 51983021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51983021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19111 + ... + 21660.

It is an arithmetic number, because the mean of its divisors is an integer number (3791796).

Almost surely, 2^51983025 is an apocalyptic number.

It is an amenable number.

51983025 is a deficient number, since it is larger than the sum of its proper divisors (39020079).

51983025 is a wasteful number, since it uses less digits than its factorization.

51983025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40801 (or 40796 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 51983025 is about 7209.9254503774. The cubic root of 51983025 is about 373.2104962763.

The spelling of 51983025 in words is "fifty-one million, nine hundred eighty-three thousand, twenty-five".