54993403 has 2 divisors, whose sum is σ = 54993404. Its totient is φ = 54993402.

The previous prime is 54993397. The next prime is 54993427. The reversal of 54993403 is 30439945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54993403 - 2¹⁷ = 54862331 is a prime.

It is not a weakly prime, because it can be changed into another prime (54993203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27496701 + 27496702.

It is an arithmetic number, because the mean of its divisors is an integer number (27496702).

Almost surely, 2^54993403 is an apocalyptic number.

54993403 is a deficient number, since it is larger than the sum of its proper divisors (1).

54993403 is an equidigital number, since it uses as much as digits as its factorization.

54993403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 54993403 is about 7415.7537041086. The cubic root of 54993403 is about 380.2800405728.

The spelling of 54993403 in words is "fifty-four million, nine hundred ninety-three thousand, four hundred three".