51255201 has 16 divisors (see below), whose sum is σ = 72382464. Its totient is φ = 32193744.

The previous prime is 51255173. The next prime is 51255227. The reversal of 51255201 is 10255215.

It is not a de Polignac number, because 51255201 - 2⁶ = 51255137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51255241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (4523904).

Almost surely, 2^51255201 is an apocalyptic number.

It is an amenable number.

51255201 is a deficient number, since it is larger than the sum of its proper divisors (21127263).

51255201 is a wasteful number, since it uses less digits than its factorization.

51255201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11180.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 51255201 is about 7159.2737760195. The cubic root of 51255201 is about 371.4605068554.

The spelling of 51255201 in words is "fifty-one million, two hundred fifty-five thousand, two hundred one".