54631903 has 2 divisors, whose sum is σ = 54631904. Its totient is φ = 54631902.

The previous prime is 54631883. The next prime is 54631937. The reversal of 54631903 is 30913645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54631903 - 2²¹ = 52534751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54631103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27315951 + 27315952.

It is an arithmetic number, because the mean of its divisors is an integer number (27315952).

Almost surely, 2^54631903 is an apocalyptic number.

54631903 is a deficient number, since it is larger than the sum of its proper divisors (1).

54631903 is an equidigital number, since it uses as much as digits as its factorization.

54631903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 54631903 is about 7391.3397297107. The cubic root of 54631903 is about 379.4449491184. Note that the first 3 decimals are identical.

The spelling of 54631903 in words is "fifty-four million, six hundred thirty-one thousand, nine hundred three".