44557001 has 4 divisors (see below), whose sum is σ = 44575872. Its totient is φ = 44538132.

The previous prime is 44556997. The next prime is 44557031. The reversal of 44557001 is 10075544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44557001 - 2² = 44556997 is a prime.

It is a super-2 number, since 2×44557001² = 3970652676228002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44557031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5285 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (11143968).

Almost surely, 2^44557001 is an apocalyptic number.

It is an amenable number.

44557001 is a deficient number, since it is larger than the sum of its proper divisors (18871).

44557001 is a wasteful number, since it uses less digits than its factorization.

44557001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18870.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 44557001 is about 6675.1030703653. The cubic root of 44557001 is about 354.5182939587.

The spelling of 44557001 in words is "forty-four million, five hundred fifty-seven thousand, one".