42053907 has 24 divisors (see below), whose sum is σ = 65470656. Its totient is φ = 23941008.

The previous prime is 42053873. The next prime is 42053917. The reversal of 42053907 is 70935024.

It is not a de Polignac number, because 42053907 - 2⁷ = 42053779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42053917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76608 + ... + 77154.

It is an arithmetic number, because the mean of its divisors is an integer number (2727944).

Almost surely, 2^42053907 is an apocalyptic number.

42053907 is a deficient number, since it is larger than the sum of its proper divisors (23416749).

42053907 is a wasteful number, since it uses less digits than its factorization.

42053907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 42053907 is about 6484.8983800828. The cubic root of 42053907 is about 347.7513169149.

The spelling of 42053907 in words is "forty-two million, fifty-three thousand, nine hundred seven".