53424857 has 4 divisors (see below), whose sum is σ = 53778816. Its totient is φ = 53070900.

The previous prime is 53424851. The next prime is 53424869. The reversal of 53424857 is 75842435.

It is a happy number.

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 53424857 - 2⁴ = 53424841 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 53424857.

It is not an unprimeable number, because it can be changed into a prime (53424851) 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, 176753 + ... + 177054.

It is an arithmetic number, because the mean of its divisors is an integer number (13444704).

Almost surely, 2^53424857 is an apocalyptic number.

It is an amenable number.

53424857 is a deficient number, since it is larger than the sum of its proper divisors (353959).

53424857 is a wasteful number, since it uses less digits than its factorization.

53424857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353958.

The product of its digits is 134400, while the sum is 38.

The square root of 53424857 is about 7309.2309444975. The cubic root of 53424857 is about 376.6296061726.

The spelling of 53424857 in words is "fifty-three million, four hundred twenty-four thousand, eight hundred fifty-seven".