54402503 has 2 divisors, whose sum is σ = 54402504. Its totient is φ = 54402502.

The previous prime is 54402497. The next prime is 54402511. The reversal of 54402503 is 30520445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54402503 - 2¹⁴ = 54386119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54402583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27201251 + 27201252.

It is an arithmetic number, because the mean of its divisors is an integer number (27201252).

Almost surely, 2^54402503 is an apocalyptic number.

54402503 is a deficient number, since it is larger than the sum of its proper divisors (1).

54402503 is an equidigital number, since it uses as much as digits as its factorization.

54402503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 54402503 is about 7375.8052441750. The cubic root of 54402503 is about 378.9131060901.

Adding to 54402503 its reverse (30520445), we get a palindrome (84922948).

The spelling of 54402503 in words is "fifty-four million, four hundred two thousand, five hundred three".