54455042 has 4 divisors (see below), whose sum is σ = 81682566. Its totient is φ = 27227520.

The previous prime is 54455041. The next prime is 54455077. The reversal of 54455042 is 24055445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24055445 = 5 ⋅4811089.

It can be written as a sum of positive squares in only one way, i.e., 54302161 + 152881 = 7369^2 + 391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54454996 and 54455014.

It is not an unprimeable number, because it can be changed into a prime (54455041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13613759 + ... + 13613762.

Almost surely, 2^54455042 is an apocalyptic number.

54455042 is a deficient number, since it is larger than the sum of its proper divisors (27227524).

54455042 is a wasteful number, since it uses less digits than its factorization.

54455042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27227523.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 54455042 is about 7379.3659619238. The cubic root of 54455042 is about 379.0350447843.

The spelling of 54455042 in words is "fifty-four million, four hundred fifty-five thousand, forty-two".