42055403 has 8 divisors (see below), whose sum is σ = 45368400. Its totient is φ = 38753568.

The previous prime is 42055397. The next prime is 42055411. The reversal of 42055403 is 30455024.

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 42055403 - 2⁸ = 42055147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42055483) 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, 6113 + ... + 11021.

It is an arithmetic number, because the mean of its divisors is an integer number (5671050).

Almost surely, 2^42055403 is an apocalyptic number.

42055403 is a deficient number, since it is larger than the sum of its proper divisors (3312997).

42055403 is a wasteful number, since it uses less digits than its factorization.

42055403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42055403 is about 6485.0137239639. The cubic root of 42055403 is about 347.7554404303.

The spelling of 42055403 in words is "forty-two million, fifty-five thousand, four hundred three".