54251522 has 16 divisors (see below), whose sum is σ = 92792952. Its totient is φ = 23566080.

The previous prime is 54251521. The next prime is 54251531. The reversal of 54251522 is 22515245.

It can be written as a sum of positive squares in 4 ways, for example, as 51998521 + 2253001 = 7211^2 + 1501^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 54251491 and 54251500.

It is not an unprimeable number, because it can be changed into a prime (54251521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60929 + ... + 61812.

Almost surely, 2^54251522 is an apocalyptic number.

54251522 is a deficient number, since it is larger than the sum of its proper divisors (38541430).

54251522 is a wasteful number, since it uses less digits than its factorization.

54251522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122773.

The product of its digits is 4000, while the sum is 26.

The square root of 54251522 is about 7365.5632506958. The cubic root of 54251522 is about 378.5622540691.

Adding to 54251522 its reverse (22515245), we get a palindrome (76766767).

The spelling of 54251522 in words is "fifty-four million, two hundred fifty-one thousand, five hundred twenty-two".