52407146 has 16 divisors (see below), whose sum is σ = 85868640. Its totient is φ = 23790480.

The previous prime is 52407139. The next prime is 52407151. The reversal of 52407146 is 64170425.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30605 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (5366790).

Almost surely, 2^52407146 is an apocalyptic number.

52407146 is a deficient number, since it is larger than the sum of its proper divisors (33461494).

52407146 is a wasteful number, since it uses less digits than its factorization.

52407146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 52407146 is about 7239.2780026740. The cubic root of 52407146 is about 374.2227361496. Note that the first 3 decimals are identical.

The spelling of 52407146 in words is "fifty-two million, four hundred seven thousand, one hundred forty-six".