52045861 has 16 divisors (see below), whose sum is σ = 60739200. Its totient is φ = 43676928.

The previous prime is 52045853. The next prime is 52045901. The reversal of 52045861 is 16854025.

It is a cyclic number.

It is not a de Polignac number, because 52045861 - 2³ = 52045853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52045811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91185 + ... + 91753.

It is an arithmetic number, because the mean of its divisors is an integer number (3796200).

Almost surely, 2^52045861 is an apocalyptic number.

It is an amenable number.

52045861 is a deficient number, since it is larger than the sum of its proper divisors (8693339).

52045861 is a wasteful number, since it uses less digits than its factorization.

52045861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 52045861 is about 7214.2817383299. The cubic root of 52045861 is about 373.3608120895.

Adding to 52045861 its reverse (16854025), we get a palindrome (68899886).

The spelling of 52045861 in words is "fifty-two million, forty-five thousand, eight hundred sixty-one".