54829857 has 4 divisors (see below), whose sum is σ = 73106480. Its totient is φ = 36553236.

The previous prime is 54829829. The next prime is 54829889. The reversal of 54829857 is 75892845.

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 de Polignac number, because none of the positive numbers 2^k-54829857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54829757) 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, 9138307 + ... + 9138312.

It is an arithmetic number, because the mean of its divisors is an integer number (18276620).

Almost surely, 2^54829857 is an apocalyptic number.

It is an amenable number.

54829857 is a deficient number, since it is larger than the sum of its proper divisors (18276623).

54829857 is a wasteful number, since it uses less digits than its factorization.

54829857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18276622.

The product of its digits is 806400, while the sum is 48.

The square root of 54829857 is about 7404.7185631866. The cubic root of 54829857 is about 379.9026920740.

The spelling of 54829857 in words is "fifty-four million, eight hundred twenty-nine thousand, eight hundred fifty-seven".