441972553 has 8 divisors (see below), whose sum is σ = 483537600. Its totient is φ = 400638480.

The previous prime is 441972541. The next prime is 441972563. The reversal of 441972553 is 355279144.

It is a happy number.

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

It is not a de Polignac number, because 441972553 - 2⁵ = 441972521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441972523) 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, 53725 + ... + 61402.

It is an arithmetic number, because the mean of its divisors is an integer number (60442200).

Almost surely, 2^441972553 is an apocalyptic number.

It is an amenable number.

441972553 is a deficient number, since it is larger than the sum of its proper divisors (41565047).

441972553 is a wasteful number, since it uses less digits than its factorization.

441972553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115487.

The product of its digits is 151200, while the sum is 40.

The square root of 441972553 is about 21023.1432711667. The cubic root of 441972553 is about 761.7253926303.

The spelling of 441972553 in words is "four hundred forty-one million, nine hundred seventy-two thousand, five hundred fifty-three".