54957887 has 4 divisors (see below), whose sum is σ = 55014336. Its totient is φ = 54901440.

The previous prime is 54957857. The next prime is 54957893. The reversal of 54957887 is 78875945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78875945 = 5 ⋅15775189.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54957887 is a prime.

It is a Duffinian number.

Its product of digits (2822400) is a multiple of the sum of its prime divisors (56448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54957817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26738 + ... + 28719.

It is an arithmetic number, because the mean of its divisors is an integer number (13753584).

Almost surely, 2^54957887 is an apocalyptic number.

54957887 is a deficient number, since it is larger than the sum of its proper divisors (56449).

54957887 is an equidigital number, since it uses as much as digits as its factorization.

54957887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56448.

The product of its digits is 2822400, while the sum is 53.

The square root of 54957887 is about 7413.3586855082. The cubic root of 54957887 is about 380.1981584213.

The spelling of 54957887 in words is "fifty-four million, nine hundred fifty-seven thousand, eight hundred eighty-seven".