45550164 has 48 divisors (see below), whose sum is σ = 117867456. Its totient is φ = 13574400.

The previous prime is 45550159. The next prime is 45550181. The reversal of 45550164 is 46105554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5224 + ... + 10880.

It is an arithmetic number, because the mean of its divisors is an integer number (2455572).

Almost surely, 2^45550164 is an apocalyptic number.

45550164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45550164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58933728).

45550164 is an abundant number, since it is smaller than the sum of its proper divisors (72317292).

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

45550164 is a wasteful number, since it uses less digits than its factorization.

45550164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736 (or 5734 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 45550164 is about 6749.0861603627. The cubic root of 45550164 is about 357.1329997432.

The spelling of 45550164 in words is "forty-five million, five hundred fifty thousand, one hundred sixty-four".