44972559 has 12 divisors (see below), whose sum is σ = 65249496. Its totient is φ = 29848272.

The previous prime is 44972549. The next prime is 44972569. The reversal of 44972559 is 95527944.

44972559 is a `hidden beast` number, since 4 + 4 + 97 + 2 + 559 = 666.

It is an interprime number because it is at equal distance from previous prime (44972549) and next prime (44972569).

It is not a de Polignac number, because 44972559 - 2⁸ = 44972303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44972549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8964 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (5437458).

Almost surely, 2^44972559 is an apocalyptic number.

44972559 is a deficient number, since it is larger than the sum of its proper divisors (20276937).

44972559 is a wasteful number, since it uses less digits than its factorization.

44972559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22246 (or 22243 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 44972559 is about 6706.1582892145. The cubic root of 44972559 is about 355.6170159633.

It can be divided in two parts, 4497 and 2559, that added together give a square (7056 = 84²).

The spelling of 44972559 in words is "forty-four million, nine hundred seventy-two thousand, five hundred fifty-nine".