45537779 has 8 divisors (see below), whose sum is σ = 52335360. Its totient is φ = 38813256.

The previous prime is 45537773. The next prime is 45537797. The reversal of 45537779 is 97773554.

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 45537779 - 2⁴ = 45537763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45537773) 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 7 ways as a sum of consecutive naturals, for example, 16919 + ... + 19424.

It is an arithmetic number, because the mean of its divisors is an integer number (6541920).

Almost surely, 2^45537779 is an apocalyptic number.

45537779 is a deficient number, since it is larger than the sum of its proper divisors (6797581).

45537779 is a wasteful number, since it uses less digits than its factorization.

45537779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36529.

The product of its digits is 926100, while the sum is 47.

The square root of 45537779 is about 6748.1685663593. The cubic root of 45537779 is about 357.1006288891.

It can be divided in two parts, 45 and 537779, that added together give a 5-th power (537824 = 14⁵).

The spelling of 45537779 in words is "forty-five million, five hundred thirty-seven thousand, seven hundred seventy-nine".