42554855 has 8 divisors (see below), whose sum is σ = 58360992. Its totient is φ = 29180448.

The previous prime is 42554833. The next prime is 42554857. The reversal of 42554855 is 55845524.

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 42554855 - 2²⁴ = 25777639 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 (42554857) 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, 607892 + ... + 607961.

It is an arithmetic number, because the mean of its divisors is an integer number (7295124).

Almost surely, 2^42554855 is an apocalyptic number.

42554855 is a deficient number, since it is larger than the sum of its proper divisors (15806137).

42554855 is a wasteful number, since it uses less digits than its factorization.

42554855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215865.

The product of its digits is 160000, while the sum is 38.

The square root of 42554855 is about 6523.4082349643. The cubic root of 42554855 is about 349.1266798465.

The spelling of 42554855 in words is "forty-two million, five hundred fifty-four thousand, eight hundred fifty-five".