54103391 has 2 divisors, whose sum is σ = 54103392. Its totient is φ = 54103390.

The previous prime is 54103381. The next prime is 54103411. The reversal of 54103391 is 19330145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54103391 - 2⁶ = 54103327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54103391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54103381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27051695 + 27051696.

It is an arithmetic number, because the mean of its divisors is an integer number (27051696).

Almost surely, 2^54103391 is an apocalyptic number.

54103391 is a deficient number, since it is larger than the sum of its proper divisors (1).

54103391 is an equidigital number, since it uses as much as digits as its factorization.

54103391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 54103391 is about 7355.5007307457. The cubic root of 54103391 is about 378.2173917253.

The spelling of 54103391 in words is "fifty-four million, one hundred three thousand, three hundred ninety-one".