45448550 has 24 divisors (see below), whose sum is σ = 96611376. Its totient is φ = 15582240.

The previous prime is 45448547. The next prime is 45448553. The reversal of 45448550 is 5584454.

It is an interprime number because it is at equal distance from previous prime (45448547) and next prime (45448553).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 45448550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45448553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64577 + ... + 65276.

It is an arithmetic number, because the mean of its divisors is an integer number (4025474).

Almost surely, 2^45448550 is an apocalyptic number.

45448550 is an abundant number, since it is smaller than the sum of its proper divisors (51162826).

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

45448550 is a wasteful number, since it uses less digits than its factorization.

45448550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129872 (or 129867 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 45448550 is about 6741.5539751603. The cubic root of 45448550 is about 356.8672361092.

The spelling of 45448550 in words is "forty-five million, four hundred forty-eight thousand, five hundred fifty".