44921953 has 2 divisors, whose sum is σ = 44921954. Its totient is φ = 44921952.

The previous prime is 44921927. The next prime is 44921977. The reversal of 44921953 is 35912944.

44921953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 1203409 = 6612^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 44921953 - 2²¹ = 42824801 is a prime.

It is a super-2 number, since 2×44921953² = 4035963722668418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44921923) by changing a digit.

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 as a sum of consecutive naturals, namely, 22460976 + 22460977.

It is an arithmetic number, because the mean of its divisors is an integer number (22460977).

Almost surely, 2^44921953 is an apocalyptic number.

It is an amenable number.

44921953 is a deficient number, since it is larger than the sum of its proper divisors (1).

44921953 is an equidigital number, since it uses as much as digits as its factorization.

44921953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 44921953 is about 6702.3841280547. The cubic root of 44921953 is about 355.4835782289.

Subtracting from 44921953 its reverse (35912944), we obtain a palindrome (9009009).

The spelling of 44921953 in words is "forty-four million, nine hundred twenty-one thousand, nine hundred fifty-three".