54874569 has 4 divisors (see below), whose sum is σ = 73166096. Its totient is φ = 36583044.

The previous prime is 54874553. The next prime is 54874577. The reversal of 54874569 is 96547845.

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 not a de Polignac number, because 54874569 - 2⁴ = 54874553 is a prime.

It is a super-2 number, since 2×54874569² = 6022436645871522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54872569) 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, 9145759 + ... + 9145764.

It is an arithmetic number, because the mean of its divisors is an integer number (18291524).

Almost surely, 2^54874569 is an apocalyptic number.

It is an amenable number.

54874569 is a deficient number, since it is larger than the sum of its proper divisors (18291527).

54874569 is a wasteful number, since it uses less digits than its factorization.

54874569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291526.

The product of its digits is 1209600, while the sum is 48.

The square root of 54874569 is about 7407.7371038665. The cubic root of 54874569 is about 380.0059301937.

The spelling of 54874569 in words is "fifty-four million, eight hundred seventy-four thousand, five hundred sixty-nine".