45455550 has 48 divisors (see below), whose sum is σ = 128836992. Its totient is φ = 10389600.

The previous prime is 45455539. The next prime is 45455551. The reversal of 45455550 is 5555454.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45455551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20596 + ... + 22695.

It is an arithmetic number, because the mean of its divisors is an integer number (2684104).

Almost surely, 2^45455550 is an apocalyptic number.

45455550 is an abundant number, since it is smaller than the sum of its proper divisors (83381442).

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

45455550 is a wasteful number, since it uses less digits than its factorization.

45455550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43313 (or 43308 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 45455550 is about 6742.0731233056. The cubic root of 45455550 is about 356.8855567700.

The spelling of 45455550 in words is "forty-five million, four hundred fifty-five thousand, five hundred fifty".