42955497 has 24 divisors (see below), whose sum is σ = 67773888. Its totient is φ = 26056800.

The previous prime is 42955489. The next prime is 42955499. The reversal of 42955497 is 79455924.

42955497 is a `hidden beast` number, since 4 + 2 + 9 + 554 + 97 = 666.

It is not a de Polignac number, because 42955497 - 2³ = 42955489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42955499) 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, 5722 + ... + 10892.

It is an arithmetic number, because the mean of its divisors is an integer number (2823912).

Almost surely, 2^42955497 is an apocalyptic number.

It is an amenable number.

42955497 is a deficient number, since it is larger than the sum of its proper divisors (24818391).

42955497 is a wasteful number, since it uses less digits than its factorization.

42955497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261 (or 5258 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 42955497 is about 6554.0443239270. The cubic root of 42955497 is about 350.2189025178.

The spelling of 42955497 in words is "forty-two million, nine hundred fifty-five thousand, four hundred ninety-seven".