54840105 has 32 divisors (see below), whose sum is σ = 100137600. Its totient is φ = 28454976.

The previous prime is 54840091. The next prime is 54840133. The reversal of 54840105 is 50104845.

It is not a de Polignac number, because 54840105 - 2⁶ = 54840041 is a prime.

It is a super-2 number, since 2×54840105² = 6014874232822050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495 + ... + 10484.

It is an arithmetic number, because the mean of its divisors is an integer number (3129300).

Almost surely, 2^54840105 is an apocalyptic number.

It is an amenable number.

54840105 is a deficient number, since it is larger than the sum of its proper divisors (45297495).

54840105 is a wasteful number, since it uses less digits than its factorization.

54840105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11030 (or 11024 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54840105 is about 7405.4105220440. The cubic root of 54840105 is about 379.9263592295.

It can be divided in two parts, 54840 and 105, that added together give a palindrome (54945).

The spelling of 54840105 in words is "fifty-four million, eight hundred forty thousand, one hundred five".