51120356 has 24 divisors (see below), whose sum is σ = 102633216. Its totient is φ = 21824640.

The previous prime is 51120353. The next prime is 51120383. The reversal of 51120356 is 65302115.

It is a super-2 number, since 2×51120356² = 5226581595133472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51120353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4220 + ... + 10956.

It is an arithmetic number, because the mean of its divisors is an integer number (4276384).

Almost surely, 2^51120356 is an apocalyptic number.

It is an amenable number.

51120356 is an abundant number, since it is smaller than the sum of its proper divisors (51512860).

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

51120356 is a wasteful number, since it uses less digits than its factorization.

51120356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019 (or 7017 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51120356 is about 7149.8500683581. The cubic root of 51120356 is about 371.1344678614.

The spelling of 51120356 in words is "fifty-one million, one hundred twenty thousand, three hundred fifty-six".