51590903 has 16 divisors (see below), whose sum is σ = 67233600. Its totient is φ = 38416896.

The previous prime is 51590893. The next prime is 51590911. The reversal of 51590903 is 30909515.

It is not a de Polignac number, because 51590903 - 2⁴ = 51590887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51590903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51590953) 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, 15128 + ... + 18221.

It is an arithmetic number, because the mean of its divisors is an integer number (4202100).

Almost surely, 2^51590903 is an apocalyptic number.

51590903 is a deficient number, since it is larger than the sum of its proper divisors (15642697).

51590903 is a wasteful number, since it uses less digits than its factorization.

51590903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33386.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 51590903 is about 7182.6807669560. The cubic root of 51590903 is about 372.2697175832.

The spelling of 51590903 in words is "fifty-one million, five hundred ninety thousand, nine hundred three".