54742993 has 8 divisors (see below), whose sum is σ = 56595456. Its totient is φ = 52896000.

The previous prime is 54742937. The next prime is 54742997. The reversal of 54742993 is 39924745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54742993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54742997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33393 + ... + 34993.

It is an arithmetic number, because the mean of its divisors is an integer number (7074432).

Almost surely, 2^54742993 is an apocalyptic number.

It is an amenable number.

54742993 is a deficient number, since it is larger than the sum of its proper divisors (1852463).

54742993 is a wasteful number, since it uses less digits than its factorization.

54742993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its digits is 272160, while the sum is 43.

The square root of 54742993 is about 7398.8507891429. The cubic root of 54742993 is about 379.7019662211.

The spelling of 54742993 in words is "fifty-four million, seven hundred forty-two thousand, nine hundred ninety-three".