52161546 has 32 divisors (see below), whose sum is σ = 109771200. Its totient is φ = 16499840.

The previous prime is 52161533. The next prime is 52161547. The reversal of 52161546 is 64516125.

52161546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52161546² = 5441653762220232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52161547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7726 + ... + 12806.

It is an arithmetic number, because the mean of its divisors is an integer number (3430350).

Almost surely, 2^52161546 is an apocalyptic number.

52161546 is an abundant number, since it is smaller than the sum of its proper divisors (57609654).

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

52161546 is a wasteful number, since it uses less digits than its factorization.

52161546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174.

The product of its digits is 7200, while the sum is 30.

The square root of 52161546 is about 7222.2950645899. The cubic root of 52161546 is about 373.6372367805.

The spelling of 52161546 in words is "fifty-two million, one hundred sixty-one thousand, five hundred forty-six".