42350557 has 8 divisors (see below), whose sum is σ = 44272640. Its totient is φ = 40463280.

The previous prime is 42350537. The next prime is 42350579. The reversal of 42350557 is 75505324.

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

It is a cyclic number.

It is not a de Polignac number, because 42350557 - 2¹⁵ = 42317789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42350507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (5534080).

Almost surely, 2^42350557 is an apocalyptic number.

It is an amenable number.

42350557 is a deficient number, since it is larger than the sum of its proper divisors (1922083).

42350557 is a wasteful number, since it uses less digits than its factorization.

42350557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17403.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 42350557 is about 6507.7305568070. The cubic root of 42350557 is about 348.5670858147.

The spelling of 42350557 in words is "forty-two million, three hundred fifty thousand, five hundred fifty-seven".