54945887 has 8 divisors (see below), whose sum is σ = 58256496. Its totient is φ = 51644032.

The previous prime is 54945881. The next prime is 54945893. The reversal of 54945887 is 78854945.

It is an interprime number because it is at equal distance from previous prime (54945881) and next prime (54945893).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54945887 - 2⁴ = 54945871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54945881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14393 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (7282062).

Almost surely, 2^54945887 is an apocalyptic number.

54945887 is a deficient number, since it is larger than the sum of its proper divisors (3310609).

54945887 is a wasteful number, since it uses less digits than its factorization.

54945887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377.

The product of its digits is 1612800, while the sum is 50.

The square root of 54945887 is about 7412.5492915730. The cubic root of 54945887 is about 380.1704844437.

The spelling of 54945887 in words is "fifty-four million, nine hundred forty-five thousand, eight hundred eighty-seven".