54742885 has 4 divisors (see below), whose sum is σ = 65691468. Its totient is φ = 43794304.

The previous prime is 54742879. The next prime is 54742889. The reversal of 54742885 is 58824745.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21818241 + 32924644 = 4671^2 + 5738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54742885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54742889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5474284 + ... + 5474293.

It is an arithmetic number, because the mean of its divisors is an integer number (16422867).

Almost surely, 2^54742885 is an apocalyptic number.

It is an amenable number.

54742885 is a deficient number, since it is larger than the sum of its proper divisors (10948583).

54742885 is a wasteful number, since it uses less digits than its factorization.

54742885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10948582.

The product of its digits is 358400, while the sum is 43.

The square root of 54742885 is about 7398.8434907085. The cubic root of 54742885 is about 379.7017165219.

The spelling of 54742885 in words is "fifty-four million, seven hundred forty-two thousand, eight hundred eighty-five".