42286551 has 4 divisors (see below), whose sum is σ = 56382072. Its totient is φ = 28191032.

The previous prime is 42286549. The next prime is 42286561. The reversal of 42286551 is 15568224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42286551 - 2¹ = 42286549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42286561) 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, 7047756 + ... + 7047761.

It is an arithmetic number, because the mean of its divisors is an integer number (14095518).

Almost surely, 2^42286551 is an apocalyptic number.

42286551 is a deficient number, since it is larger than the sum of its proper divisors (14095521).

42286551 is a wasteful number, since it uses less digits than its factorization.

42286551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14095520.

The product of its digits is 19200, while the sum is 33.

The square root of 42286551 is about 6502.8110075567. The cubic root of 42286551 is about 348.3913963989.

The spelling of 42286551 in words is "forty-two million, two hundred eighty-six thousand, five hundred fifty-one".