45320052501 has 20 divisors (see below), whose sum is σ = 68627736012. Its totient is φ = 29799482688.

The previous prime is 45320052493. The next prime is 45320052517. The reversal of 45320052501 is 10525002354.

It is a happy number.

45320052501 is a `hidden beast` number, since 453 + 200 + 5 + 2 + 5 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33993771876 + 11326280625 = 184374^2 + 106425^2 .

It is not a de Polignac number, because 45320052501 - 2³ = 45320052493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45320057501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3826326 + ... + 3838151.

Almost surely, 2^45320052501 is an apocalyptic number.

It is an amenable number.

45320052501 is a deficient number, since it is larger than the sum of its proper divisors (23307683511).

45320052501 is an equidigital number, since it uses as much as digits as its factorization.

45320052501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664562 (or 7664553 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 45320052501 its reverse (10525002354), we get a palindrome (55845054855).

The spelling of 45320052501 in words is "forty-five billion, three hundred twenty million, fifty-two thousand, five hundred one".