51975577 has 8 divisors (see below), whose sum is σ = 53569152. Its totient is φ = 50397600.

The previous prime is 51975557. The next prime is 51975611. The reversal of 51975577 is 77557915.

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 51975577 - 2¹¹ = 51973529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51975557) 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, 3052 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (6696144).

Almost surely, 2^51975577 is an apocalyptic number.

It is an amenable number.

51975577 is a deficient number, since it is larger than the sum of its proper divisors (1593575).

51975577 is a wasteful number, since it uses less digits than its factorization.

51975577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799.

The product of its digits is 385875, while the sum is 46.

The square root of 51975577 is about 7209.4089216801. The cubic root of 51975577 is about 373.1926711975.

The spelling of 51975577 in words is "fifty-one million, nine hundred seventy-five thousand, five hundred seventy-seven".