54868657 has 4 divisors (see below), whose sum is σ = 54918640. Its totient is φ = 54818676.

The previous prime is 54868633. The next prime is 54868687. The reversal of 54868657 is 75686845.

54868657 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-54868657 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 54868657.

It is not an unprimeable number, because it can be changed into a prime (54868607) 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, 23307 + ... + 25552.

It is an arithmetic number, because the mean of its divisors is an integer number (13729660).

Almost surely, 2^54868657 is an apocalyptic number.

It is an amenable number.

54868657 is a deficient number, since it is larger than the sum of its proper divisors (49983).

54868657 is a wasteful number, since it uses less digits than its factorization.

54868657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49982.

The product of its digits is 1612800, while the sum is 49.

The square root of 54868657 is about 7407.3380508790. The cubic root of 54868657 is about 379.9922828534.

The spelling of 54868657 in words is "fifty-four million, eight hundred sixty-eight thousand, six hundred fifty-seven".