54474981 has 8 divisors (see below), whose sum is σ = 79236384. Its totient is φ = 33015120.

The previous prime is 54474961. The next prime is 54474983. The reversal of 54474981 is 18947445.

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

It is not a de Polignac number, because 54474981 - 2¹⁰ = 54473957 is a prime.

It is a super-2 number, since 2×54474981² = 5935047109900722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54474983) 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, 825346 + ... + 825411.

It is an arithmetic number, because the mean of its divisors is an integer number (9904548).

Almost surely, 2^54474981 is an apocalyptic number.

It is an amenable number.

54474981 is a deficient number, since it is larger than the sum of its proper divisors (24761403).

54474981 is a wasteful number, since it uses less digits than its factorization.

54474981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650771.

The product of its digits is 161280, while the sum is 42.

The square root of 54474981 is about 7380.7168351048. The cubic root of 54474981 is about 379.0813010307.

It can be divided in two parts, 54474 and 981, that added together give a palindrome (55455).

The spelling of 54474981 in words is "fifty-four million, four hundred seventy-four thousand, nine hundred eighty-one".