51253528 has 8 divisors (see below), whose sum is σ = 96100380. Its totient is φ = 25626760.

The previous prime is 51253493. The next prime is 51253577. The reversal of 51253528 is 82535215.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 51253528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203338 + ... + 3203353.

Almost surely, 2^51253528 is an apocalyptic number.

It is an amenable number.

51253528 is a deficient number, since it is larger than the sum of its proper divisors (44846852).

51253528 is a wasteful number, since it uses less digits than its factorization.

51253528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406697 (or 6406693 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 51253528 is about 7159.1569336061. The cubic root of 51253528 is about 371.4564652481.

The spelling of 51253528 in words is "fifty-one million, two hundred fifty-three thousand, five hundred twenty-eight".