42656550 has 24 divisors (see below), whose sum is σ = 105788616. Its totient is φ = 11375040.

The previous prime is 42656533. The next prime is 42656557. The reversal of 42656550 is 5565624.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656557) 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, 142039 + ... + 142338.

It is an arithmetic number, because the mean of its divisors is an integer number (4407859).

Almost surely, 2^42656550 is an apocalyptic number.

42656550 is an abundant number, since it is smaller than the sum of its proper divisors (63132066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42656550 is a wasteful number, since it uses less digits than its factorization.

42656550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284392 (or 284387 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 42656550 is about 6531.1982055363. The cubic root of 42656550 is about 349.4045658290.

The spelling of 42656550 in words is "forty-two million, six hundred fifty-six thousand, five hundred fifty".