51590460 has 24 divisors (see below), whose sum is σ = 144453456. Its totient is φ = 13757440.

The previous prime is 51590447. The next prime is 51590467. The reversal of 51590460 is 6409515.

51590460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51590467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429861 + ... + 429980.

It is an arithmetic number, because the mean of its divisors is an integer number (6018894).

Almost surely, 2^51590460 is an apocalyptic number.

It is an amenable number.

51590460 is an abundant number, since it is smaller than the sum of its proper divisors (92862996).

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

51590460 is a wasteful number, since it uses less digits than its factorization.

51590460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859853 (or 859851 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 51590460 is about 7182.6499288215. The cubic root of 51590460 is about 372.2686520468.

Adding to 51590460 its reverse (6409515), we get a palindrome (57999975).

The spelling of 51590460 in words is "fifty-one million, five hundred ninety thousand, four hundred sixty".