51595901 has 16 divisors (see below), whose sum is σ = 64592640. Its totient is φ = 40185600.

The previous prime is 51595897. The next prime is 51595919. The reversal of 51595901 is 10959515.

It is a happy number.

It is not a de Polignac number, because 51595901 - 2² = 51595897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51595991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4025 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (4037040).

Almost surely, 2^51595901 is an apocalyptic number.

It is an amenable number.

51595901 is a deficient number, since it is larger than the sum of its proper divisors (12996739).

51595901 is a wasteful number, since it uses less digits than its factorization.

51595901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004.

The product of its (nonzero) digits is 10125, while the sum is 35.

The square root of 51595901 is about 7183.0286787678. The cubic root of 51595901 is about 372.2817387204.

The spelling of 51595901 in words is "fifty-one million, five hundred ninety-five thousand, nine hundred one".