53427857 has 16 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 44943360.

The previous prime is 53427841. The next prime is 53427883. The reversal of 53427857 is 75872435.

It is not a de Polignac number, because 53427857 - 2⁴ = 53427841 is a prime.

It is a super-2 number, since 2×53427857² = 5709071807224898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53427817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118769 + ... + 119217.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^53427857 is an apocalyptic number.

It is an amenable number.

53427857 is a deficient number, since it is larger than the sum of its proper divisors (8780143).

53427857 is a wasteful number, since it uses less digits than its factorization.

53427857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its digits is 235200, while the sum is 41.

The square root of 53427857 is about 7309.4361615654. The cubic root of 53427857 is about 376.6366557480.

The spelling of 53427857 in words is "fifty-three million, four hundred twenty-seven thousand, eight hundred fifty-seven".