55032251666 has 8 divisors (see below), whose sum is σ = 94341002880. Its totient is φ = 23585250708.

The previous prime is 55032251633. The next prime is 55032251693. The reversal of 55032251666 is 66615223055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965437546 + ... + 1965437573.

It is an arithmetic number, because the mean of its divisors is an integer number (11792625360).

Almost surely, 2^55032251666 is an apocalyptic number.

55032251666 is a deficient number, since it is larger than the sum of its proper divisors (39308751214).

55032251666 is a wasteful number, since it uses less digits than its factorization.

55032251666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930875128.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 55032251666 in words is "fifty-five billion, thirty-two million, two hundred fifty-one thousand, six hundred sixty-six".