45655544 has 16 divisors (see below), whose sum is σ = 93386520. Its totient is φ = 20752480.

The previous prime is 45655513. The next prime is 45655549. The reversal of 45655544 is 44555654.

It is a junction number, because it is equal to n+sod(n) for n = 45655498 and 45655507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45655549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259319 + ... + 259494.

Almost surely, 2^45655544 is an apocalyptic number.

45655544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45655544 is an abundant number, since it is smaller than the sum of its proper divisors (47730976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45655544 is a wasteful number, since it uses less digits than its factorization.

45655544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518830 (or 518826 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 45655544 is about 6756.8886330914. Note that the first 3 decimals coincide. The cubic root of 45655544 is about 357.4081959000.

The spelling of 45655544 in words is "forty-five million, six hundred fifty-five thousand, five hundred forty-four".