52647881 has 16 divisors (see below), whose sum is σ = 62088768. Its totient is φ = 44011200.

The previous prime is 52647877. The next prime is 52647899. The reversal of 52647881 is 18874625.

It is a cyclic number.

It is not a de Polignac number, because 52647881 - 2² = 52647877 is a prime.

It is a super-2 number, since 2×52647881² = 5543598747580322, 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 (52647871) 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, 49091 + ... + 50151.

It is an arithmetic number, because the mean of its divisors is an integer number (3880548).

Almost surely, 2^52647881 is an apocalyptic number.

It is an amenable number.

52647881 is a deficient number, since it is larger than the sum of its proper divisors (9440887).

52647881 is a wasteful number, since it uses less digits than its factorization.

52647881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its digits is 107520, while the sum is 41.

The square root of 52647881 is about 7255.8859555536. The cubic root of 52647881 is about 374.7948649913.

The spelling of 52647881 in words is "fifty-two million, six hundred forty-seven thousand, eight hundred eighty-one".