42286057 has 4 divisors (see below), whose sum is σ = 46130256. Its totient is φ = 38441860.

The previous prime is 42286043. The next prime is 42286073. The reversal of 42286057 is 75068224.

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 a de Polignac number, because none of the positive numbers 2^k-42286057 is a prime.

It is a super-2 number, since 2×42286057² = 3576221233214498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42286087) 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, 1922083 + ... + 1922104.

It is an arithmetic number, because the mean of its divisors is an integer number (11532564).

Almost surely, 2^42286057 is an apocalyptic number.

It is an amenable number.

42286057 is a deficient number, since it is larger than the sum of its proper divisors (3844199).

42286057 is a wasteful number, since it uses less digits than its factorization.

42286057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844198.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 42286057 is about 6502.7730238722. The cubic root of 42286057 is about 348.3900397342.

The spelling of 42286057 in words is "forty-two million, two hundred eighty-six thousand, fifty-seven".