45691550 has 24 divisors (see below), whose sum is σ = 85748976. Its totient is φ = 18112640.

The previous prime is 45691537. The next prime is 45691573. The reversal of 45691550 is 5519654.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 45691550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1607 + ... + 9693.

It is an arithmetic number, because the mean of its divisors is an integer number (3572874).

Almost surely, 2^45691550 is an apocalyptic number.

45691550 is a deficient number, since it is larger than the sum of its proper divisors (40057426).

45691550 is a wasteful number, since it uses less digits than its factorization.

45691550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8212 (or 8207 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 45691550 is about 6759.5524999810. The cubic root of 45691550 is about 357.5021272307.

The spelling of 45691550 in words is "forty-five million, six hundred ninety-one thousand, five hundred fifty".