45013550 has 48 divisors (see below), whose sum is σ = 87530112. Its totient is φ = 17203200.

The previous prime is 45013523. The next prime is 45013559. The reversal of 45013550 is 5531054.

45013550 is a modest number, since divided by 13550 gives 450 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45013559) 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, 175022 + ... + 175278.

It is an arithmetic number, because the mean of its divisors is an integer number (1823544).

Almost surely, 2^45013550 is an apocalyptic number.

45013550 is a deficient number, since it is larger than the sum of its proper divisors (42516562).

45013550 is a wasteful number, since it uses less digits than its factorization.

45013550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 45013550 is about 6709.2138138533. The cubic root of 45013550 is about 355.7250275362.

The spelling of 45013550 in words is "forty-five million, thirteen thousand, five hundred fifty".