54532881 has 24 divisors (see below), whose sum is σ = 85798440. Its totient is φ = 33175296.

The previous prime is 54532879. The next prime is 54532903. The reversal of 54532881 is 18823545.

It is a happy number.

54532881 is a `hidden beast` number, since 545 + 32 + 8 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2822400 + 51710481 = 1680^2 + 7191^2 .

It is not a de Polignac number, because 54532881 - 2¹ = 54532879 is a prime.

It is a super-2 number, since 2×54532881² = 5947670220320322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54532801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7795 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (3574935).

Almost surely, 2^54532881 is an apocalyptic number.

It is an amenable number.

54532881 is a deficient number, since it is larger than the sum of its proper divisors (31265559).

54532881 is a wasteful number, since it uses less digits than its factorization.

54532881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5342 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 54532881 is about 7384.6381766475. The cubic root of 54532881 is about 379.2155586003.

The spelling of 54532881 in words is "fifty-four million, five hundred thirty-two thousand, eight hundred eighty-one".