42554907 has 12 divisors (see below), whose sum is σ = 62898264. Its totient is φ = 27709920.

The previous prime is 42554903. The next prime is 42554929. The reversal of 42554907 is 70945524.

It is not a de Polignac number, because 42554907 - 2² = 42554903 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42554903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54594 + ... + 55367.

It is an arithmetic number, because the mean of its divisors is an integer number (5241522).

Almost surely, 2^42554907 is an apocalyptic number.

42554907 is a deficient number, since it is larger than the sum of its proper divisors (20343357).

42554907 is a wasteful number, since it uses less digits than its factorization.

42554907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110010 (or 110007 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 42554907 is about 6523.4122206097. The cubic root of 42554907 is about 349.1268220518.

The spelling of 42554907 in words is "forty-two million, five hundred fifty-four thousand, nine hundred seven".