54940403 has 4 divisors (see below), whose sum is σ = 62789040. Its totient is φ = 47091768.

The previous prime is 54940397. The next prime is 54940421. The reversal of 54940403 is 30404945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54940403 - 2⁸ = 54940147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54940453) 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, 3924308 + ... + 3924321.

It is an arithmetic number, because the mean of its divisors is an integer number (15697260).

Almost surely, 2^54940403 is an apocalyptic number.

54940403 is a deficient number, since it is larger than the sum of its proper divisors (7848637).

54940403 is an equidigital number, since it uses as much as digits as its factorization.

54940403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7848636.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 54940403 is about 7412.1793691194. The cubic root of 54940403 is about 380.1578360945.

The spelling of 54940403 in words is "fifty-four million, nine hundred forty thousand, four hundred three".