54262569 has 4 divisors (see below), whose sum is σ = 72350096. Its totient is φ = 36175044.

The previous prime is 54262541. The next prime is 54262577. The reversal of 54262569 is 96526245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54262569 - 2¹³ = 54254377 is a prime.

It is a super-2 number, since 2×54262569² = 5888852788959522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54262069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9043759 + ... + 9043764.

It is an arithmetic number, because the mean of its divisors is an integer number (18087524).

Almost surely, 2^54262569 is an apocalyptic number.

It is an amenable number.

54262569 is a deficient number, since it is larger than the sum of its proper divisors (18087527).

54262569 is a wasteful number, since it uses less digits than its factorization.

54262569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18087526.

The product of its digits is 129600, while the sum is 39.

The square root of 54262569 is about 7366.3131212296. The cubic root of 54262569 is about 378.5879473170.

The spelling of 54262569 in words is "fifty-four million, two hundred sixty-two thousand, five hundred sixty-nine".