55452166 has 32 divisors (see below), whose sum is σ = 104078592. Its totient is φ = 21526560.

The previous prime is 55452161. The next prime is 55452167. The reversal of 55452166 is 66125455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60685 + ... + 61591.

It is an arithmetic number, because the mean of its divisors is an integer number (3252456).

Almost surely, 2^55452166 is an apocalyptic number.

55452166 is a deficient number, since it is larger than the sum of its proper divisors (48626426).

55452166 is a wasteful number, since it uses less digits than its factorization.

55452166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 36000, while the sum is 34.

The square root of 55452166 is about 7446.6211129612. The cubic root of 55452166 is about 381.3345642032.

Subtracting 55452166 from its reverse (66125455), we obtain a square (10673289 = 3267²).

The spelling of 55452166 in words is "fifty-five million, four hundred fifty-two thousand, one hundred sixty-six".