54371881 has 4 divisors (see below), whose sum is σ = 54404752. Its totient is φ = 54339012.

The previous prime is 54371879. The next prime is 54371893. The reversal of 54371881 is 18817345.

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 54371881 - 2¹ = 54371879 is a prime.

It is a super-2 number, since 2×54371881² = 5912602886956322, 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 54371881.

It is not an unprimeable number, because it can be changed into a prime (54371851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13815 + ... + 17308.

It is an arithmetic number, because the mean of its divisors is an integer number (13601188).

Almost surely, 2^54371881 is an apocalyptic number.

It is an amenable number.

54371881 is a deficient number, since it is larger than the sum of its proper divisors (32871).

54371881 is a wasteful number, since it uses less digits than its factorization.

54371881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32870.

The product of its digits is 26880, while the sum is 37.

The square root of 54371881 is about 7373.7291108367. The cubic root of 54371881 is about 378.8419987316.

The spelling of 54371881 in words is "fifty-four million, three hundred seventy-one thousand, eight hundred eighty-one".