51022775 has 12 divisors (see below), whose sum is σ = 63426000. Its totient is φ = 40716480.

The previous prime is 51022759. The next prime is 51022781. The reversal of 51022775 is 57722015.

It is not a de Polignac number, because 51022775 - 2⁴ = 51022759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8651 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (5285500).

Almost surely, 2^51022775 is an apocalyptic number.

51022775 is a deficient number, since it is larger than the sum of its proper divisors (12403225).

51022775 is a wasteful number, since it uses less digits than its factorization.

51022775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 51022775 is about 7143.0228195072. The cubic root of 51022775 is about 370.8981709912.

The spelling of 51022775 in words is "fifty-one million, twenty-two thousand, seven hundred seventy-five".