52861481 has 8 divisors (see below), whose sum is σ = 53647104. Its totient is φ = 52081200.

The previous prime is 52861469. The next prime is 52861547. The reversal of 52861481 is 18416825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52861481 is a prime.

It is a super-2 number, since 2×52861481² = 5588672347026722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52861421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21350 + ... + 23696.

It is an arithmetic number, because the mean of its divisors is an integer number (6705888).

Almost surely, 2^52861481 is an apocalyptic number.

It is an amenable number.

52861481 is a deficient number, since it is larger than the sum of its proper divisors (785623).

52861481 is a wasteful number, since it uses less digits than its factorization.

52861481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671.

The product of its digits is 15360, while the sum is 35.

The square root of 52861481 is about 7270.5901411096. The cubic root of 52861481 is about 375.3010465542.

The spelling of 52861481 in words is "fifty-two million, eight hundred sixty-one thousand, four hundred eighty-one".