54605881 has 4 divisors (see below), whose sum is σ = 59570064. Its totient is φ = 49641700.

The previous prime is 54605879. The next prime is 54605899. The reversal of 54605881 is 18850645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54605881 - 2¹ = 54605879 is a prime.

It is a super-2 number, since 2×54605881² = 5963604479572322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54605881.

It is not an unprimeable number, because it can be changed into a prime (54605801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2482075 + ... + 2482096.

It is an arithmetic number, because the mean of its divisors is an integer number (14892516).

Almost surely, 2^54605881 is an apocalyptic number.

It is an amenable number.

54605881 is a deficient number, since it is larger than the sum of its proper divisors (4964183).

54605881 is a wasteful number, since it uses less digits than its factorization.

54605881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964182.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 54605881 is about 7389.5792167078. The cubic root of 54605881 is about 379.3846944319.

The spelling of 54605881 in words is "fifty-four million, six hundred five thousand, eight hundred eighty-one".