54045122 has 4 divisors (see below), whose sum is σ = 81067686. Its totient is φ = 27022560.

The previous prime is 54045119. The next prime is 54045127. The reversal of 54045122 is 22154045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22154045 = 5 ⋅4430809.

It can be written as a sum of positive squares in only one way, i.e., 54037201 + 7921 = 7351^2 + 89^2 .

It is not an unprimeable number, because it can be changed into a prime (54045127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13511279 + ... + 13511282.

Almost surely, 2^54045122 is an apocalyptic number.

54045122 is a deficient number, since it is larger than the sum of its proper divisors (27022564).

54045122 is a wasteful number, since it uses less digits than its factorization.

54045122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27022563.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 54045122 is about 7351.5387504930. The cubic root of 54045122 is about 378.0815637285.

Adding to 54045122 its reverse (22154045), we get a palindrome (76199167).

The spelling of 54045122 in words is "fifty-four million, forty-five thousand, one hundred twenty-two".