54252687 has 4 divisors (see below), whose sum is σ = 72336920. Its totient is φ = 36168456.

The previous prime is 54252677. The next prime is 54252689. The reversal of 54252687 is 78625245.

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

It is not a de Polignac number, because 54252687 - 2¹⁶ = 54187151 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 (54252689) 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, 9042112 + ... + 9042117.

It is an arithmetic number, because the mean of its divisors is an integer number (18084230).

Almost surely, 2^54252687 is an apocalyptic number.

54252687 is a deficient number, since it is larger than the sum of its proper divisors (18084233).

54252687 is a wasteful number, since it uses less digits than its factorization.

54252687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18084232.

The product of its digits is 134400, while the sum is 39.

The square root of 54252687 is about 7365.6423345150. The cubic root of 54252687 is about 378.5649638049.

The spelling of 54252687 in words is "fifty-four million, two hundred fifty-two thousand, six hundred eighty-seven".