51122356 has 24 divisors (see below), whose sum is σ = 92673504. Its totient is φ = 24659040.

The previous prime is 51122341. The next prime is 51122359. The reversal of 51122356 is 65322115.

It is a super-2 number, since 2×51122356² = 5226990565981472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51122356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122359) 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, 12486 + ... + 16066.

It is an arithmetic number, because the mean of its divisors is an integer number (3861396).

Almost surely, 2^51122356 is an apocalyptic number.

It is an amenable number.

51122356 is a deficient number, since it is larger than the sum of its proper divisors (41551148).

51122356 is a wasteful number, since it uses less digits than its factorization.

51122356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3709 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 51122356 is about 7149.9899300628. The cubic root of 51122356 is about 371.1393078072.

The spelling of 51122356 in words is "fifty-one million, one hundred twenty-two thousand, three hundred fifty-six".