54581073 has 4 divisors (see below), whose sum is σ = 72774768. Its totient is φ = 36387380.

The previous prime is 54581069. The next prime is 54581083. The reversal of 54581073 is 37018545.

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 54581073 - 2² = 54581069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54581003) 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, 9096843 + ... + 9096848.

It is an arithmetic number, because the mean of its divisors is an integer number (18193692).

Almost surely, 2^54581073 is an apocalyptic number.

It is an amenable number.

54581073 is a deficient number, since it is larger than the sum of its proper divisors (18193695).

54581073 is a wasteful number, since it uses less digits than its factorization.

54581073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18193694.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 54581073 is about 7387.9004459995. The cubic root of 54581073 is about 379.3272329706.

It can be divided in two parts, 545 and 81073, that added together give a palindrome (81618).

The spelling of 54581073 in words is "fifty-four million, five hundred eighty-one thousand, seventy-three".