54469665 has 48 divisors (see below), whose sum is σ = 98961408. Its totient is φ = 28740096.

The previous prime is 54469643. The next prime is 54469721. The reversal of 54469665 is 56696445.

It is not a de Polignac number, because 54469665 - 2²⁵ = 20915233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54469665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154129 + ... + 154481.

It is an arithmetic number, because the mean of its divisors is an integer number (2061696).

Almost surely, 2^54469665 is an apocalyptic number.

It is an amenable number.

54469665 is a deficient number, since it is larger than the sum of its proper divisors (44491743).

54469665 is a wasteful number, since it uses less digits than its factorization.

54469665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 488 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 54469665 is about 7380.3566986969. The cubic root of 54469665 is about 379.0689696098.

The spelling of 54469665 in words is "fifty-four million, four hundred sixty-nine thousand, six hundred sixty-five".