53857005 has 8 divisors (see below), whose sum is σ = 86171232. Its totient is φ = 28723728.

The previous prime is 53856997. The next prime is 53857033. The reversal of 53857005 is 50075835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53857005 - 2³ = 53856997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795219 + ... + 1795248.

It is an arithmetic number, because the mean of its divisors is an integer number (10771404).

Almost surely, 2^53857005 is an apocalyptic number.

It is an amenable number.

53857005 is a deficient number, since it is larger than the sum of its proper divisors (32314227).

53857005 is a wasteful number, since it uses less digits than its factorization.

53857005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590475.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 53857005 is about 7338.7332013093. The cubic root of 53857005 is about 377.6423859470.

The spelling of 53857005 in words is "fifty-three million, eight hundred fifty-seven thousand, five".