45772550 has 12 divisors (see below), whose sum is σ = 85137036. Its totient is φ = 18309000.

The previous prime is 45772543. The next prime is 45772603. The reversal of 45772550 is 5527754.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45772550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457676 + ... + 457775.

It is an arithmetic number, because the mean of its divisors is an integer number (7094753).

Almost surely, 2^45772550 is an apocalyptic number.

45772550 is a deficient number, since it is larger than the sum of its proper divisors (39364486).

45772550 is a wasteful number, since it uses less digits than its factorization.

45772550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915463 (or 915458 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 45772550 is about 6765.5413678434. The cubic root of 45772550 is about 357.7132572792.

The spelling of 45772550 in words is "forty-five million, seven hundred seventy-two thousand, five hundred fifty".