54042553 has 2 divisors, whose sum is σ = 54042554. Its totient is φ = 54042552.

The previous prime is 54042497. The next prime is 54042581. The reversal of 54042553 is 35524045.

It is an a-pointer prime, because the next prime (54042581) can be obtained adding 54042553 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28761769 + 25280784 = 5363^2 + 5028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54042553 is a prime.

It is not a weakly prime, because it can be changed into another prime (54042353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27021276 + 27021277.

It is an arithmetic number, because the mean of its divisors is an integer number (27021277).

Almost surely, 2^54042553 is an apocalyptic number.

It is an amenable number.

54042553 is a deficient number, since it is larger than the sum of its proper divisors (1).

54042553 is an equidigital number, since it uses as much as digits as its factorization.

54042553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 54042553 is about 7351.3640230912. The cubic root of 54042553 is about 378.0755730126.

Adding to 54042553 its reverse (35524045), we get a palindrome (89566598).

The spelling of 54042553 in words is "fifty-four million, forty-two thousand, five hundred fifty-three".