45920550 has 48 divisors (see below), whose sum is σ = 122648400. Its totient is φ = 11303040.

The previous prime is 45920521. The next prime is 45920557. The reversal of 45920550 is 5502954.

It is a happy number.

45920550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45920557) 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 23 ways as a sum of consecutive naturals, for example, 9825 + ... + 13724.

It is an arithmetic number, because the mean of its divisors is an integer number (2555175).

Almost surely, 2^45920550 is an apocalyptic number.

45920550 is an abundant number, since it is smaller than the sum of its proper divisors (76727850).

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

45920550 is a wasteful number, since it uses less digits than its factorization.

45920550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23577 (or 23572 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 45920550 is about 6776.4703201593. The cubic root of 45920550 is about 358.0983833305.

The spelling of 45920550 in words is "forty-five million, nine hundred twenty thousand, five hundred fifty".