54251311 has 4 divisors (see below), whose sum is σ = 54551224. Its totient is φ = 53951400.

The previous prime is 54251299. The next prime is 54251321. The reversal of 54251311 is 11315245.

It is a happy number.

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 54251311 - 2²¹ = 52154159 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 (54251321) 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, 149685 + ... + 150046.

It is an arithmetic number, because the mean of its divisors is an integer number (13637806).

Almost surely, 2^54251311 is an apocalyptic number.

54251311 is a deficient number, since it is larger than the sum of its proper divisors (299913).

54251311 is a wasteful number, since it uses less digits than its factorization.

54251311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299912.

The product of its digits is 600, while the sum is 22.

The square root of 54251311 is about 7365.5489272694. The cubic root of 54251311 is about 378.5617632888.

Adding to 54251311 its reverse (11315245), we get a palindrome (65566556).

The spelling of 54251311 in words is "fifty-four million, two hundred fifty-one thousand, three hundred eleven".