45551001 has 8 divisors (see below), whose sum is σ = 61417440. Its totient is φ = 30025952.

The previous prime is 45550979. The next prime is 45551027. The reversal of 45551001 is 10015554.

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

It is a cyclic number.

It is not a de Polignac number, because 45551001 - 2¹¹ = 45548953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45551071) 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, 85035 + ... + 85568.

It is an arithmetic number, because the mean of its divisors is an integer number (7677180).

Almost surely, 2^45551001 is an apocalyptic number.

It is an amenable number.

45551001 is a deficient number, since it is larger than the sum of its proper divisors (15866439).

45551001 is a wasteful number, since it uses less digits than its factorization.

45551001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170695.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 45551001 is about 6749.1481684728. The cubic root of 45551001 is about 357.1351872105.

Adding to 45551001 its reverse (10015554), we get a palindrome (55566555).

The spelling of 45551001 in words is "forty-five million, five hundred fifty-one thousand, one".