45553238 has 16 divisors (see below), whose sum is σ = 69250896. Its totient is φ = 22471680.

The previous prime is 45553231. The next prime is 45553243. The reversal of 45553238 is 83235554.

It is a junction number, because it is equal to n+sod(n) for n = 45553198 and 45553207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553231) 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, 79493 + ... + 80063.

It is an arithmetic number, because the mean of its divisors is an integer number (4328181).

Almost surely, 2^45553238 is an apocalyptic number.

45553238 is a deficient number, since it is larger than the sum of its proper divisors (23697658).

45553238 is a wasteful number, since it uses less digits than its factorization.

45553238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039.

The product of its digits is 72000, while the sum is 35.

The square root of 45553238 is about 6749.3138910559. The cubic root of 45553238 is about 357.1410333926.

The spelling of 45553238 in words is "forty-five million, five hundred fifty-three thousand, two hundred thirty-eight".