51975579 has 8 divisors (see below), whose sum is σ = 73377360. Its totient is φ = 32612096.

The previous prime is 51975557. The next prime is 51975611. The reversal of 51975579 is 97557915.

51975579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51975579 - 2¹³ = 51967387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51975529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509514 + ... + 509615.

It is an arithmetic number, because the mean of its divisors is an integer number (9172170).

Almost surely, 2^51975579 is an apocalyptic number.

51975579 is a deficient number, since it is larger than the sum of its proper divisors (21401781).

51975579 is a wasteful number, since it uses less digits than its factorization.

51975579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019149.

The product of its digits is 496125, while the sum is 48.

The square root of 51975579 is about 7209.4090603877. The cubic root of 51975579 is about 373.1926759843.

The spelling of 51975579 in words is "fifty-one million, nine hundred seventy-five thousand, five hundred seventy-nine".