66055236 has 24 divisors (see below), whose sum is σ = 165985344. Its totient is φ = 20324640.

The previous prime is 66055211. The next prime is 66055259. The reversal of 66055236 is 63255066.

It is a junction number, because it is equal to n+sod(n) for n = 66055197 and 66055206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211560 + ... + 211871.

It is an arithmetic number, because the mean of its divisors is an integer number (6916056).

Almost surely, 2^66055236 is an apocalyptic number.

It is an amenable number.

66055236 is an abundant number, since it is smaller than the sum of its proper divisors (99930108).

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

66055236 is a wasteful number, since it uses less digits than its factorization.

66055236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423451 (or 423449 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 66055236 is about 8127.4372344547. The cubic root of 66055236 is about 404.2367089766.

The spelling of 66055236 in words is "sixty-six million, fifty-five thousand, two hundred thirty-six".