42545955 has 8 divisors (see below), whose sum is σ = 68073552. Its totient is φ = 22691168.

The previous prime is 42545953. The next prime is 42545957. The reversal of 42545955 is 55954524.

It is an interprime number because it is at equal distance from previous prime (42545953) and next prime (42545957).

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 42545955 - 2¹ = 42545953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42545953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418184 + ... + 1418213.

It is an arithmetic number, because the mean of its divisors is an integer number (8509194).

Almost surely, 2^42545955 is an apocalyptic number.

42545955 is a deficient number, since it is larger than the sum of its proper divisors (25527597).

42545955 is a wasteful number, since it uses less digits than its factorization.

42545955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836405.

The product of its digits is 180000, while the sum is 39.

The square root of 42545955 is about 6522.7260405447. The cubic root of 42545955 is about 349.1023391526.

The spelling of 42545955 in words is "forty-two million, five hundred forty-five thousand, nine hundred fifty-five".