51575974 has 8 divisors (see below), whose sum is σ = 77456808. Its totient is φ = 25757040.

The previous prime is 51575957. The next prime is 51575987. The reversal of 51575974 is 47957515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51575974.

It is a congruent number.

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, 13332 + ... + 16759.

It is an arithmetic number, because the mean of its divisors is an integer number (9682101).

Almost surely, 2^51575974 is an apocalyptic number.

51575974 is a deficient number, since it is larger than the sum of its proper divisors (25880834).

51575974 is a wasteful number, since it uses less digits than its factorization.

51575974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950.

The product of its digits is 220500, while the sum is 43.

The square root of 51575974 is about 7181.6414558233. The cubic root of 51575974 is about 372.2338058852.

The spelling of 51575974 in words is "fifty-one million, five hundred seventy-five thousand, nine hundred seventy-four".