54204981 has 8 divisors (see below), whose sum is σ = 73188480. Its totient is φ = 35679072.

The previous prime is 54204979. The next prime is 54204989. The reversal of 54204981 is 18940245.

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

It is not a de Polignac number, because 54204981 - 2¹ = 54204979 is a prime.

It is a super-2 number, since 2×54204981² = 5876359930420722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54204989) 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, 114120 + ... + 114593.

It is an arithmetic number, because the mean of its divisors is an integer number (9148560).

Almost surely, 2^54204981 is an apocalyptic number.

It is an amenable number.

54204981 is a deficient number, since it is larger than the sum of its proper divisors (18983499).

54204981 is a wasteful number, since it uses less digits than its factorization.

54204981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228795.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 54204981 is about 7362.4032081923. The cubic root of 54204981 is about 378.4539701242.

It can be divided in two parts, 5420 and 4981, that added together give a palindrome (10401).

The spelling of 54204981 in words is "fifty-four million, two hundred four thousand, nine hundred eighty-one".