42303557 has 8 divisors (see below), whose sum is σ = 44595360. Its totient is φ = 40018320.

The previous prime is 42303551. The next prime is 42303559. The reversal of 42303557 is 75530324.

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 42303557 - 2⁸ = 42303301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303551) 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, 17303 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (5574420).

Almost surely, 2^42303557 is an apocalyptic number.

It is an amenable number.

42303557 is a deficient number, since it is larger than the sum of its proper divisors (2291803).

42303557 is a wasteful number, since it uses less digits than its factorization.

42303557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 42303557 is about 6504.1184644808. The cubic root of 42303557 is about 348.4380932792.

The spelling of 42303557 in words is "forty-two million, three hundred three thousand, five hundred fifty-seven".