260543550 has 48 divisors (see below), whose sum is σ = 647994240. Its totient is φ = 69279840.

The previous prime is 260543537. The next prime is 260543551. The reversal of 260543550 is 55345062.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260543551) 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, 54559 + ... + 59141.

It is an arithmetic number, because the mean of its divisors is an integer number (13499880).

Almost surely, 2^260543550 is an apocalyptic number.

260543550 is an abundant number, since it is smaller than the sum of its proper divisors (387450690).

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

260543550 is a wasteful number, since it uses less digits than its factorization.

260543550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4972 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 260543550 is about 16141.3614667413. The cubic root of 260543550 is about 638.6948908431.

The spelling of 260543550 in words is "two hundred sixty million, five hundred forty-three thousand, five hundred fifty".