54949893 has 4 divisors (see below), whose sum is σ = 73266528. Its totient is φ = 36633260.

The previous prime is 54949883. The next prime is 54949903. The reversal of 54949893 is 39894945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (54949883) and next prime (54949903).

It is a cyclic number.

It is not a de Polignac number, because 54949893 - 2¹⁰ = 54948869 is a prime.

It is a super-2 number, since 2×54949893² = 6038981481422898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54949883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158313 + ... + 9158318.

It is an arithmetic number, because the mean of its divisors is an integer number (18316632).

Almost surely, 2^54949893 is an apocalyptic number.

It is an amenable number.

54949893 is a deficient number, since it is larger than the sum of its proper divisors (18316635).

54949893 is a wasteful number, since it uses less digits than its factorization.

54949893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18316634.

The product of its digits is 1399680, while the sum is 51.

The square root of 54949893 is about 7412.8195040754. The cubic root of 54949893 is about 380.1797233879.

The spelling of 54949893 in words is "fifty-four million, nine hundred forty-nine thousand, eight hundred ninety-three".