45500051 has 4 divisors (see below), whose sum is σ = 45677352. Its totient is φ = 45322752.

The previous prime is 45500009. The next prime is 45500071. The reversal of 45500051 is 15000554.

45500051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45500051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45499996 and 45500032.

It is not an unprimeable number, because it can be changed into a prime (45500071) 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 3 ways as a sum of consecutive naturals, for example, 88265 + ... + 88778.

It is an arithmetic number, because the mean of its divisors is an integer number (11419338).

Almost surely, 2^45500051 is an apocalyptic number.

45500051 is a deficient number, since it is larger than the sum of its proper divisors (177301).

45500051 is a wasteful number, since it uses less digits than its factorization.

45500051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177300.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 45500051 is about 6745.3725619865. The cubic root of 45500051 is about 357.0019824813.

It can be divided in two parts, 4 and 5500051, that added together give a palindrome (5500055).

The spelling of 45500051 in words is "forty-five million, five hundred thousand, fifty-one".