51595388 has 12 divisors (see below), whose sum is σ = 97237560. Its totient is φ = 23813232.

The previous prime is 51595387. The next prime is 51595409. The reversal of 51595388 is 88359515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51595387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496058 + ... + 496161.

It is an arithmetic number, because the mean of its divisors is an integer number (8103130).

Almost surely, 2^51595388 is an apocalyptic number.

It is an amenable number.

51595388 is a deficient number, since it is larger than the sum of its proper divisors (45642172).

51595388 is a wasteful number, since it uses less digits than its factorization.

51595388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992236 (or 992234 counting only the distinct ones).

The product of its digits is 216000, while the sum is 44.

The square root of 51595388 is about 7182.9929695079. The cubic root of 51595388 is about 372.2805048939.

The spelling of 51595388 in words is "fifty-one million, five hundred ninety-five thousand, three hundred eighty-eight".