51092980 has 12 divisors (see below), whose sum is σ = 107295300. Its totient is φ = 20437184.

The previous prime is 51092953. The next prime is 51092999. The reversal of 51092980 is 8929015.

It can be written as a sum of positive squares in 2 ways, for example, as 11478544 + 39614436 = 3388^2 + 6294^2 .

It is a super-2 number, since 2×51092980² = 5220985210560800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277305 + ... + 1277344.

It is an arithmetic number, because the mean of its divisors is an integer number (8941275).

Almost surely, 2^51092980 is an apocalyptic number.

It is an amenable number.

51092980 is an abundant number, since it is smaller than the sum of its proper divisors (56202320).

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

51092980 is a wasteful number, since it uses less digits than its factorization.

51092980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554658 (or 2554656 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 51092980 is about 7147.9353662439. The cubic root of 51092980 is about 371.0682059898.

The spelling of 51092980 in words is "fifty-one million, ninety-two thousand, nine hundred eighty".