45553279 has 4 divisors (see below), whose sum is σ = 47950840. Its totient is φ = 43155720.

The previous prime is 45553273. The next prime is 45553283. The reversal of 45553279 is 97235554.

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-45553279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45553273) 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 3 ways as a sum of consecutive naturals, for example, 1198752 + ... + 1198789.

It is an arithmetic number, because the mean of its divisors is an integer number (11987710).

Almost surely, 2^45553279 is an apocalyptic number.

45553279 is a deficient number, since it is larger than the sum of its proper divisors (2397561).

45553279 is a wasteful number, since it uses less digits than its factorization.

45553279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397560.

The product of its digits is 189000, while the sum is 40.

The square root of 45553279 is about 6749.3169284010. The cubic root of 45553279 is about 357.1411405403.

It can be divided in two parts, 4555 and 3279, that multiplied together give a triangular number (14935845 = T₅₄₆₅).

The spelling of 45553279 in words is "forty-five million, five hundred fifty-three thousand, two hundred seventy-nine".