54372403 has 2 divisors, whose sum is σ = 54372404. Its totient is φ = 54372402.

The previous prime is 54372401. The next prime is 54372407. The reversal of 54372403 is 30427345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54372403 - 2¹ = 54372401 is a prime.

Together with 54372401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54372401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27186201 + 27186202.

It is an arithmetic number, because the mean of its divisors is an integer number (27186202).

Almost surely, 2^54372403 is an apocalyptic number.

54372403 is a deficient number, since it is larger than the sum of its proper divisors (1).

54372403 is an equidigital number, since it uses as much as digits as its factorization.

54372403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 54372403 is about 7373.7645066818. The cubic root of 54372403 is about 378.8432110917.

Adding to 54372403 its reverse (30427345), we get a palindrome (84799748).

The spelling of 54372403 in words is "fifty-four million, three hundred seventy-two thousand, four hundred three".