51592655 has 4 divisors (see below), whose sum is σ = 61911192. Its totient is φ = 41274120.

The previous prime is 51592631. The next prime is 51592661. The reversal of 51592655 is 55629515.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51592655 - 2¹⁸ = 51330511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5159261 + ... + 5159270.

It is an arithmetic number, because the mean of its divisors is an integer number (15477798).

Almost surely, 2^51592655 is an apocalyptic number.

51592655 is a deficient number, since it is larger than the sum of its proper divisors (10318537).

51592655 is a wasteful number, since it uses less digits than its factorization.

51592655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318536.

The product of its digits is 67500, while the sum is 38.

The square root of 51592655 is about 7182.8027259559. The cubic root of 51592655 is about 372.2739315636.

The spelling of 51592655 in words is "fifty-one million, five hundred ninety-two thousand, six hundred fifty-five".