51410385 has 24 divisors (see below), whose sum is σ = 95967144. Its totient is φ = 25309440.

The previous prime is 51410383. The next prime is 51410407. The reversal of 51410385 is 58301415.

It can be written as a sum of positive squares in 4 ways, for example, as 2634129 + 48776256 = 1623^2 + 6984^2 .

It is not a de Polignac number, because 51410385 - 2¹ = 51410383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51410383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43356 + ... + 44525.

It is an arithmetic number, because the mean of its divisors is an integer number (3998631).

Almost surely, 2^51410385 is an apocalyptic number.

It is an amenable number.

51410385 is a deficient number, since it is larger than the sum of its proper divisors (44556759).

51410385 is a wasteful number, since it uses less digits than its factorization.

51410385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87905 (or 87902 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 51410385 is about 7170.1035557375. The cubic root of 51410385 is about 371.8350161563.

The spelling of 51410385 in words is "fifty-one million, four hundred ten thousand, three hundred eighty-five".