45545555 has 8 divisors (see below), whose sum is σ = 59623344. Its totient is φ = 33124000.

The previous prime is 45545531. The next prime is 45545561. The reversal of 45545555 is 55554554.

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

It is not a de Polignac number, because 45545555 - 2¹⁴ = 45529171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413996 + ... + 414105.

It is an arithmetic number, because the mean of its divisors is an integer number (7452918).

Almost surely, 2^45545555 is an apocalyptic number.

45545555 is a deficient number, since it is larger than the sum of its proper divisors (14077789).

45545555 is a wasteful number, since it uses less digits than its factorization.

45545555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828117.

The product of its digits is 250000, while the sum is 38.

The square root of 45545555 is about 6748.7446980902. The cubic root of 45545555 is about 357.1209538186.

It can be divided in two parts, 455455 and 55, that multiplied together give a square (25050025 = 5005²).

The spelling of 45545555 in words is "forty-five million, five hundred forty-five thousand, five hundred fifty-five".