51255322 has 16 divisors (see below), whose sum is σ = 78436512. Its totient is φ = 25114960.

The previous prime is 51255301. The next prime is 51255359. The reversal of 51255322 is 22355215.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20568 + ... + 22924.

It is an arithmetic number, because the mean of its divisors is an integer number (4902282).

Almost surely, 2^51255322 is an apocalyptic number.

51255322 is a deficient number, since it is larger than the sum of its proper divisors (27181190).

51255322 is a wasteful number, since it uses less digits than its factorization.

51255322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573.

The product of its digits is 3000, while the sum is 25.

The square root of 51255322 is about 7159.2822265923. The cubic root of 51255322 is about 371.4607991619.

The spelling of 51255322 in words is "fifty-one million, two hundred fifty-five thousand, three hundred twenty-two".