51089579 has 8 divisors (see below), whose sum is σ = 51600960. Its totient is φ = 50580936.

The previous prime is 51089569. The next prime is 51089587. The reversal of 51089579 is 97598015.

It is a happy number.

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 51089579 - 2²⁴ = 34312363 is a prime.

It is a super-2 number, since 2×51089579² = 5220290164794482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51089569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61364 + ... + 62190.

It is an arithmetic number, because the mean of its divisors is an integer number (6450120).

Almost surely, 2^51089579 is an apocalyptic number.

51089579 is a deficient number, since it is larger than the sum of its proper divisors (511381).

51089579 is a wasteful number, since it uses less digits than its factorization.

51089579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 51089579 is about 7147.6974614207. The cubic root of 51089579 is about 371.0599724323.

The spelling of 51089579 in words is "fifty-one million, eighty-nine thousand, five hundred seventy-nine".