51895605 has 16 divisors (see below), whose sum is σ = 83404224. Its totient is φ = 27553920.

The previous prime is 51895603. The next prime is 51895607. The reversal of 51895605 is 50659815.

It is an interprime number because it is at equal distance from previous prime (51895603) and next prime (51895607).

It is not a de Polignac number, because 51895605 - 2¹ = 51895603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51895601) 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, 4216 + ... + 11025.

It is an arithmetic number, because the mean of its divisors is an integer number (5212764).

Almost surely, 2^51895605 is an apocalyptic number.

It is an amenable number.

51895605 is a deficient number, since it is larger than the sum of its proper divisors (31508619).

51895605 is a wasteful number, since it uses less digits than its factorization.

51895605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15476.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 51895605 is about 7203.8604234119. The cubic root of 51895605 is about 373.0011691751.

The spelling of 51895605 in words is "fifty-one million, eight hundred ninety-five thousand, six hundred five".