42517055 has 12 divisors (see below), whose sum is σ = 59350680. Its totient is φ = 29154384.

The previous prime is 42517049. The next prime is 42517063. The reversal of 42517055 is 55071524.

It is not a de Polignac number, because 42517055 - 2⁴ = 42517039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86525 + ... + 87014.

It is an arithmetic number, because the mean of its divisors is an integer number (4945890).

Almost surely, 2^42517055 is an apocalyptic number.

42517055 is a deficient number, since it is larger than the sum of its proper divisors (16833625).

42517055 is a wasteful number, since it uses less digits than its factorization.

42517055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173558 (or 173551 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 42517055 is about 6520.5103327884. The cubic root of 42517055 is about 349.0232768552.

Adding to 42517055 its reverse (55071524), we get a palindrome (97588579).

The spelling of 42517055 in words is "forty-two million, five hundred seventeen thousand, fifty-five".