45515655 has 16 divisors (see below), whose sum is σ = 80916960. Its totient is φ = 24274944.

The previous prime is 45515651. The next prime is 45515669. The reversal of 45515655 is 55651554.

45515655 is a `hidden beast` number, since 4 + 551 + 56 + 55 = 666.

45515655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45515655 - 2² = 45515651 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45515651) 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 15 ways as a sum of consecutive naturals, for example, 168442 + ... + 168711.

It is an arithmetic number, because the mean of its divisors is an integer number (5057310).

Almost surely, 2^45515655 is an apocalyptic number.

45515655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45515655 is a deficient number, since it is larger than the sum of its proper divisors (35401305).

45515655 is a wasteful number, since it uses less digits than its factorization.

45515655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337167 (or 337161 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 45515655 is about 6746.5291076227. The cubic root of 45515655 is about 357.0427884594.

It can be divided in two parts, 455 and 15655, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 45515655 in words is "forty-five million, five hundred fifteen thousand, six hundred fifty-five".