45527820 has 48 divisors (see below), whose sum is σ = 137286240. Its totient is φ = 11206656.

The previous prime is 45527791. The next prime is 45527831. The reversal of 45527820 is 2872554.

45527820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28405 + ... + 29964.

It is an arithmetic number, because the mean of its divisors is an integer number (2860130).

Almost surely, 2^45527820 is an apocalyptic number.

It is an amenable number.

45527820 is an abundant number, since it is smaller than the sum of its proper divisors (91758420).

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

45527820 is a wasteful number, since it uses less digits than its factorization.

45527820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58394 (or 58392 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45527820 is about 6747.4306220961. The cubic root of 45527820 is about 357.0745946487.

The spelling of 45527820 in words is "forty-five million, five hundred twenty-seven thousand, eight hundred twenty".