45551636 has 36 divisors (see below), whose sum is σ = 91299348. Its totient is φ = 19699968.

The previous prime is 45551629. The next prime is 45551669. The reversal of 45551636 is 63615554.

It can be written as a sum of positive squares in 2 ways, for example, as 20611600 + 24940036 = 4540^2 + 4994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45551596 and 45551605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200555 + ... + 200781.

It is an arithmetic number, because the mean of its divisors is an integer number (2536093).

Almost surely, 2^45551636 is an apocalyptic number.

It is an amenable number.

45551636 is an abundant number, since it is smaller than the sum of its proper divisors (45747712).

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

45551636 is a wasteful number, since it uses less digits than its factorization.

45551636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 259 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 45551636 is about 6749.1952112826. The cubic root of 45551636 is about 357.1368467408.

The spelling of 45551636 in words is "forty-five million, five hundred fifty-one thousand, six hundred thirty-six".