51959464 has 32 divisors (see below), whose sum is σ = 100535400. Its totient is φ = 25159680.

The previous prime is 51959459. The next prime is 51959473. The reversal of 51959464 is 46495915.

It can be written as a sum of positive squares in 4 ways, for example, as 21068100 + 30891364 = 4590^2 + 5558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51959464.

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, 50992 + ... + 52000.

Almost surely, 2^51959464 is an apocalyptic number.

It is an amenable number.

51959464 is a deficient number, since it is larger than the sum of its proper divisors (48575936).

51959464 is a wasteful number, since it uses less digits than its factorization.

51959464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1209 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 51959464 is about 7208.2913370646. The cubic root of 51959464 is about 373.1541026021.

The spelling of 51959464 in words is "fifty-one million, nine hundred fifty-nine thousand, four hundred sixty-four".