54262221 has 16 divisors (see below), whose sum is σ = 81303936. Its totient is φ = 31939776.

The previous prime is 54262207. The next prime is 54262223. The reversal of 54262221 is 12226245.

It is a happy number.

It is not a de Polignac number, because 54262221 - 2⁵ = 54262189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54262191 and 54262200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54262223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29350 + ... + 31143.

It is an arithmetic number, because the mean of its divisors is an integer number (5081496).

Almost surely, 2^54262221 is an apocalyptic number.

It is an amenable number.

54262221 is a deficient number, since it is larger than the sum of its proper divisors (27041715).

54262221 is a wasteful number, since it uses less digits than its factorization.

54262221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60532.

The product of its digits is 1920, while the sum is 24.

The square root of 54262221 is about 7366.2895001486. The cubic root of 54262221 is about 378.5871379875.

Adding to 54262221 its reverse (12226245), we get a palindrome (66488466).

The spelling of 54262221 in words is "fifty-four million, two hundred sixty-two thousand, two hundred twenty-one".