11745550 has 24 divisors (see below), whose sum is σ = 22210632. Its totient is φ = 4620000.

The previous prime is 11745541. The next prime is 11745581. The reversal of 11745550 is 5554711.

11745550 = 292² + 293² + ... + 391².

11745550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1125 + ... + 4975.

It is an arithmetic number, because the mean of its divisors is an integer number (925443).

Almost surely, 2^11745550 is an apocalyptic number.

11745550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11745550 is a deficient number, since it is larger than the sum of its proper divisors (10465082).

11745550 is a wasteful number, since it uses less digits than its factorization.

11745550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924 (or 3919 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 11745550 is about 3427.1781395195. The cubic root of 11745550 is about 227.3130936785.

It can be divided in two parts, 1174 and 5550, that added together give a square (6724 = 82²).

The spelling of 11745550 in words is "eleven million, seven hundred forty-five thousand, five hundred fifty".