2665458550 has 12 divisors (see below), whose sum is σ = 4957752996. Its totient is φ = 1066183400.

The previous prime is 2665458547. The next prime is 2665458557. The reversal of 2665458550 is 558545662.

It is a self number, because there is not a number n which added to its sum of digits gives 2665458550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665458557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26654536 + ... + 26654635.

It is an arithmetic number, because the mean of its divisors is an integer number (413146083).

Almost surely, 2^2665458550 is an apocalyptic number.

2665458550 is a deficient number, since it is larger than the sum of its proper divisors (2292294446).

2665458550 is a wasteful number, since it uses less digits than its factorization.

2665458550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53309183 (or 53309178 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 46.

The square root of 2665458550 is about 51628.0790849321. The cubic root of 2665458550 is about 1386.5131017406.

The spelling of 2665458550 in words is "two billion, six hundred sixty-five million, four hundred fifty-eight thousand, five hundred fifty".