52315146 has 40 divisors (see below), whose sum is σ = 126247044. Its totient is φ = 16096320.

The previous prime is 52315127. The next prime is 52315147. The reversal of 52315146 is 64151325.

It can be written as a sum of positive squares in 2 ways, for example, as 42107121 + 10208025 = 6489^2 + 3195^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52315147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10315 + ... + 14526.

Almost surely, 2^52315146 is an apocalyptic number.

52315146 is an abundant number, since it is smaller than the sum of its proper divisors (73931898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52315146 is a wasteful number, since it uses less digits than its factorization.

52315146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24868 (or 24859 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 52315146 is about 7232.9209867107. The cubic root of 52315146 is about 374.0036269869.

The spelling of 52315146 in words is "fifty-two million, three hundred fifteen thousand, one hundred forty-six".