57549953 has 4 divisors (see below), whose sum is σ = 58888368. Its totient is φ = 56211540.

The previous prime is 57549941. The next prime is 57549967. The reversal of 57549953 is 35994575.

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 not a de Polignac number, because 57549953 - 2⁸ = 57549697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57549898 and 57549907.

It is not an unprimeable number, because it can be changed into a prime (57549353) 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, 669143 + ... + 669228.

It is an arithmetic number, because the mean of its divisors is an integer number (14722092).

Almost surely, 2^57549953 is an apocalyptic number.

It is an amenable number.

57549953 is a deficient number, since it is larger than the sum of its proper divisors (1338415).

57549953 is a wasteful number, since it uses less digits than its factorization.

57549953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338414.

The product of its digits is 850500, while the sum is 47.

The square root of 57549953 is about 7586.1685322698. The cubic root of 57549953 is about 386.0838699335.

The spelling of 57549953 in words is "fifty-seven million, five hundred forty-nine thousand, nine hundred fifty-three".