54742749 has 32 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 33815040.

The previous prime is 54742729. The next prime is 54742759. The reversal of 54742749 is 94724745.

It is not a de Polignac number, because 54742749 - 2⁵ = 54742717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54742749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54742729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367327 + ... + 367475.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^54742749 is an apocalyptic number.

It is an amenable number.

54742749 is a deficient number, since it is larger than the sum of its proper divisors (23881251).

54742749 is a wasteful number, since it uses less digits than its factorization.

54742749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 282240, while the sum is 42.

The square root of 54742749 is about 7398.8343000773. The cubic root of 54742749 is about 379.7014020854.

The spelling of 54742749 in words is "fifty-four million, seven hundred forty-two thousand, seven hundred forty-nine".