51265356 has 12 divisors (see below), whose sum is σ = 119619192. Its totient is φ = 17088448.

The previous prime is 51265349. The next prime is 51265369. The reversal of 51265356 is 65356215.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2136045 + ... + 2136068.

It is an arithmetic number, because the mean of its divisors is an integer number (9968266).

Almost surely, 2^51265356 is an apocalyptic number.

It is an amenable number.

51265356 is an abundant number, since it is smaller than the sum of its proper divisors (68353836).

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

51265356 is a wasteful number, since it uses less digits than its factorization.

51265356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272120 (or 4272118 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 51265356 is about 7159.9829608736. The cubic root of 51265356 is about 371.4850372593.

The spelling of 51265356 in words is "fifty-one million, two hundred sixty-five thousand, three hundred fifty-six".