51038575 has 12 divisors (see below), whose sum is σ = 72329200. Its totient is φ = 34997760.

The previous prime is 51038567. The next prime is 51038593. The reversal of 51038575 is 57583015.

It is not a de Polignac number, because 51038575 - 2³ = 51038567 is a prime.

It is a super-2 number, since 2×51038575² = 5209872276061250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51038575.

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, 145650 + ... + 145999.

Almost surely, 2^51038575 is an apocalyptic number.

51038575 is a deficient number, since it is larger than the sum of its proper divisors (21290625).

51038575 is a wasteful number, since it uses less digits than its factorization.

51038575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291666 (or 291661 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 51038575 is about 7144.1287082471. The cubic root of 51038575 is about 370.9364518459.

It can be divided in two parts, 5103 and 8575, that multiplied together give a square (43758225 = 6615²).

The spelling of 51038575 in words is "fifty-one million, thirty-eight thousand, five hundred seventy-five".