51599075 has 12 divisors (see below), whose sum is σ = 69799848. Its totient is φ = 37526400.

The previous prime is 51599059. The next prime is 51599089. The reversal of 51599075 is 57099515.

It is not a de Polignac number, because 51599075 - 2⁴ = 51599059 is a prime.

It is a Duffinian 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, 93542 + ... + 94091.

It is an arithmetic number, because the mean of its divisors is an integer number (5816654).

Almost surely, 2^51599075 is an apocalyptic number.

51599075 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51599075 is a deficient number, since it is larger than the sum of its proper divisors (18200773).

51599075 is a wasteful number, since it uses less digits than its factorization.

51599075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187654 (or 187649 counting only the distinct ones).

The product of its (nonzero) digits is 70875, while the sum is 41.

The square root of 51599075 is about 7183.2496128145. The cubic root of 51599075 is about 372.2893723888.

The spelling of 51599075 in words is "fifty-one million, five hundred ninety-nine thousand, seventy-five".