54749823 has 4 divisors (see below), whose sum is σ = 72999768. Its totient is φ = 36499880.

The previous prime is 54749797. The next prime is 54749831. The reversal of 54749823 is 32894745.

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

It is a cyclic number.

It is not a de Polignac number, because 54749823 - 2⁵ = 54749791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54749323) 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, 9124968 + ... + 9124973.

It is an arithmetic number, because the mean of its divisors is an integer number (18249942).

Almost surely, 2^54749823 is an apocalyptic number.

54749823 is a deficient number, since it is larger than the sum of its proper divisors (18249945).

54749823 is a wasteful number, since it uses less digits than its factorization.

54749823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18249944.

The product of its digits is 241920, while the sum is 42.

The square root of 54749823 is about 7399.3123329131. The cubic root of 54749823 is about 379.7177567143.

The spelling of 54749823 in words is "fifty-four million, seven hundred forty-nine thousand, eight hundred twenty-three".