51265230 has 32 divisors (see below), whose sum is σ = 129513600. Its totient is φ = 12951072.

The previous prime is 51265223. The next prime is 51265231. The reversal of 51265230 is 3256215.

It is a self number, because there is not a number n which added to its sum of digits gives 51265230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51265231) 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, 44400 + ... + 45539.

It is an arithmetic number, because the mean of its divisors is an integer number (4047300).

Almost surely, 2^51265230 is an apocalyptic number.

51265230 is an abundant number, since it is smaller than the sum of its proper divisors (78248370).

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

51265230 is a wasteful number, since it uses less digits than its factorization.

51265230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89968.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51265230 is about 7159.9741619646. The cubic root of 51265230 is about 371.4847329138.

The spelling of 51265230 in words is "fifty-one million, two hundred sixty-five thousand, two hundred thirty".