52402146 has 8 divisors (see below), whose sum is σ = 104804304. Its totient is φ = 17467380.

The previous prime is 52402139. The next prime is 52402157. The reversal of 52402146 is 64120425.

It is a sphenic number, since it is the product of 3 distinct primes.

52402146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4366840 + ... + 4366851.

It is an arithmetic number, because the mean of its divisors is an integer number (13100538).

Almost surely, 2^52402146 is an apocalyptic number.

52402146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52402146 is a wasteful number, since it uses less digits than its factorization.

52402146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8733696.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52402146 is about 7238.9326561310. The cubic root of 52402146 is about 374.2108346353.

The spelling of 52402146 in words is "fifty-two million, four hundred two thousand, one hundred forty-six".