51266580 has 24 divisors (see below), whose sum is σ = 143546592. Its totient is φ = 13671072.

The previous prime is 51266573. The next prime is 51266603. The reversal of 51266580 is 8566215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427162 + ... + 427281.

It is an arithmetic number, because the mean of its divisors is an integer number (5981108).

Almost surely, 2^51266580 is an apocalyptic number.

It is an amenable number.

51266580 is an abundant number, since it is smaller than the sum of its proper divisors (92280012).

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

51266580 is a wasteful number, since it uses less digits than its factorization.

51266580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854455 (or 854453 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 51266580 is about 7160.0684354271. The cubic root of 51266580 is about 371.4879937333.

The spelling of 51266580 in words is "fifty-one million, two hundred sixty-six thousand, five hundred eighty".