54940005 has 64 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 26790912.

The previous prime is 54940003. The next prime is 54940021. The reversal of 54940005 is 50004945.

It is not a de Polignac number, because 54940005 - 2¹ = 54940003 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54940003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84592 + ... + 85238.

It is an arithmetic number, because the mean of its divisors is an integer number (1662120).

Almost surely, 2^54940005 is an apocalyptic number.

It is an amenable number.

54940005 is a deficient number, since it is larger than the sum of its proper divisors (51435675).

54940005 is a wasteful number, since it uses less digits than its factorization.

54940005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 54940005 is about 7412.1525213665. The cubic root of 54940005 is about 380.1569181108.

The spelling of 54940005 in words is "fifty-four million, nine hundred forty thousand, five".