55166016 has 56 divisors (see below), whose sum is σ = 147848320. Its totient is φ = 18150912.

The previous prime is 55166011. The next prime is 55166017. The reversal of 55166016 is 61066155.

It is not an unprimeable number, because it can be changed into a prime (55166011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13350 + ... + 16986.

Almost surely, 2^55166016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55166016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73924160).

55166016 is an abundant number, since it is smaller than the sum of its proper divisors (92682304).

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

55166016 is a wasteful number, since it uses less digits than its factorization.

55166016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 55166016 is about 7427.3828499681. The cubic root of 55166016 is about 380.6774986703.

The spelling of 55166016 in words is "fifty-five million, one hundred sixty-six thousand, sixteen".