45553738 has 4 divisors (see below), whose sum is σ = 68330610. Its totient is φ = 22776868.

The previous prime is 45553721. The next prime is 45553741. The reversal of 45553738 is 83735554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27175369 + 18378369 = 5213^2 + 4287^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45553738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11388433 + ... + 11388436.

Almost surely, 2^45553738 is an apocalyptic number.

45553738 is a deficient number, since it is larger than the sum of its proper divisors (22776872).

45553738 is a wasteful number, since it uses less digits than its factorization.

45553738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22776871.

The product of its digits is 252000, while the sum is 40.

The square root of 45553738 is about 6749.3509317563. The cubic root of 45553738 is about 357.1423400678.

The spelling of 45553738 in words is "forty-five million, five hundred fifty-three thousand, seven hundred thirty-eight".