54968557 has 4 divisors (see below), whose sum is σ = 62821216. Its totient is φ = 47115900.

The previous prime is 54968533. The next prime is 54968561. The reversal of 54968557 is 75586945.

54968557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54968557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54968557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54968527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3926319 + ... + 3926332.

It is an arithmetic number, because the mean of its divisors is an integer number (15705304).

Almost surely, 2^54968557 is an apocalyptic number.

It is an amenable number.

54968557 is a deficient number, since it is larger than the sum of its proper divisors (7852659).

54968557 is an equidigital number, since it uses as much as digits as its factorization.

54968557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852658.

The product of its digits is 1512000, while the sum is 49.

The square root of 54968557 is about 7414.0782974015. The cubic root of 54968557 is about 380.2227618165. Note that the first 3 decimals are identical.

The spelling of 54968557 in words is "fifty-four million, nine hundred sixty-eight thousand, five hundred fifty-seven".