54695587 has 4 divisors (see below), whose sum is σ = 57073680. Its totient is φ = 52317496.

The previous prime is 54695569. The next prime is 54695591. The reversal of 54695587 is 78559645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54695587 - 2¹⁵ = 54662819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54695587.

It is not an unprimeable number, because it can be changed into a prime (54695567) 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, 1189012 + ... + 1189057.

It is an arithmetic number, because the mean of its divisors is an integer number (14268420).

Almost surely, 2^54695587 is an apocalyptic number.

54695587 is a deficient number, since it is larger than the sum of its proper divisors (2378093).

54695587 is a wasteful number, since it uses less digits than its factorization.

54695587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378092.

The product of its digits is 1512000, while the sum is 49.

The square root of 54695587 is about 7395.6464896586. The cubic root of 54695587 is about 379.5923305775.

The spelling of 54695587 in words is "fifty-four million, six hundred ninety-five thousand, five hundred eighty-seven".