54591069 has 16 divisors (see below), whose sum is σ = 78751232. Its totient is φ = 33438528.

The previous prime is 54591059. The next prime is 54591083. The reversal of 54591069 is 96019545.

It is not a de Polignac number, because 54591069 - 2⁸ = 54590813 is a prime.

It is a super-2 number, since 2×54591069² = 5960369629125522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54591059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5559 + ... + 11835.

It is an arithmetic number, because the mean of its divisors is an integer number (4921952).

Almost surely, 2^54591069 is an apocalyptic number.

It is an amenable number.

54591069 is a deficient number, since it is larger than the sum of its proper divisors (24160163).

54591069 is a wasteful number, since it uses less digits than its factorization.

54591069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 54591069 is about 7388.5769265807. The cubic root of 54591069 is about 379.3503882719.

The spelling of 54591069 in words is "fifty-four million, five hundred ninety-one thousand, sixty-nine".