51262956 has 120 divisors (see below), whose sum is σ = 145995696. Its totient is φ = 15621120.

The previous prime is 51262949. The next prime is 51262957. The reversal of 51262956 is 65926215.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51262956.

It is not an unprimeable number, because it can be changed into a prime (51262957) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 225715 + ... + 225941.

Almost surely, 2^51262956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51262956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72997848).

51262956 is an abundant number, since it is smaller than the sum of its proper divisors (94732740).

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

51262956 is a wasteful number, since it uses less digits than its factorization.

51262956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 290 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 51262956 is about 7159.8153607478. The cubic root of 51262956 is about 371.4792401150.

The spelling of 51262956 in words is "fifty-one million, two hundred sixty-two thousand, nine hundred fifty-six".