65056550 has 36 divisors (see below), whose sum is σ = 131046300. Its totient is φ = 24017760.

The previous prime is 65056547. The next prime is 65056559. The reversal of 65056550 is 5565056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65056559) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4601 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (3640175).

Almost surely, 2^65056550 is an apocalyptic number.

65056550 is an abundant number, since it is smaller than the sum of its proper divisors (65989750).

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

65056550 is a wasteful number, since it uses less digits than its factorization.

65056550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737 (or 7719 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 65056550 is about 8065.7640679603. The cubic root of 65056550 is about 402.1891431079.

The spelling of 65056550 in words is "sixty-five million, fifty-six thousand, five hundred fifty".