42554994 has 16 divisors (see below), whose sum is σ = 86067360. Its totient is φ = 14025440.

The previous prime is 42554987. The next prime is 42555001. The reversal of 42554994 is 49945524.

It is an interprime number because it is at equal distance from previous prime (42554987) and next prime (42555001).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39312 + ... + 40379.

It is an arithmetic number, because the mean of its divisors is an integer number (5379210).

Almost surely, 2^42554994 is an apocalyptic number.

42554994 is an abundant number, since it is smaller than the sum of its proper divisors (43512366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42554994 is a wasteful number, since it uses less digits than its factorization.

42554994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79785.

The product of its digits is 259200, while the sum is 42.

The square root of 42554994 is about 6523.4188888956. The cubic root of 42554994 is about 349.1270599720.

The spelling of 42554994 in words is "forty-two million, five hundred fifty-four thousand, nine hundred ninety-four".