54522250 has 24 divisors (see below), whose sum is σ = 102284676. Its totient is φ = 21762200.

The previous prime is 54522241. The next prime is 54522253. The reversal of 54522250 is 5222545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36857041 + 17665209 = 6071^2 + 4203^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (54522253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116517 + ... + 116983.

Almost surely, 2^54522250 is an apocalyptic number.

54522250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54522250 is a deficient number, since it is larger than the sum of its proper divisors (47762426).

54522250 is an frugal number, since it uses more digits than its factorization.

54522250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 54522250 is about 7383.9183364932. The cubic root of 54522250 is about 379.1909147369.

Multiplying 54522250 by its product of nonzero digits (4000), we get a square (218089000000 = 467000²).

Adding to 54522250 its reverse (5222545), we get a palindrome (59744795).

The spelling of 54522250 in words is "fifty-four million, five hundred twenty-two thousand, two hundred fifty".