44971557 has 8 divisors (see below), whose sum is σ = 59993184. Its totient is φ = 29965488.

The previous prime is 44971543. The next prime is 44971559. The reversal of 44971557 is 75517944.

It is a happy number.

44971557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44971557 - 2¹⁴ = 44955173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44971559) 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 in 7 ways as a sum of consecutive naturals, for example, 8478 + ... + 12720.

It is an arithmetic number, because the mean of its divisors is an integer number (7499148).

Almost surely, 2^44971557 is an apocalyptic number.

It is an amenable number.

44971557 is a deficient number, since it is larger than the sum of its proper divisors (15021627).

44971557 is a wasteful number, since it uses less digits than its factorization.

44971557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779.

The product of its digits is 176400, while the sum is 42.

The square root of 44971557 is about 6706.0835813461. The cubic root of 44971557 is about 355.6143748647.

The spelling of 44971557 in words is "forty-four million, nine hundred seventy-one thousand, five hundred fifty-seven".