65055700 has 36 divisors (see below), whose sum is σ = 146045340. Its totient is φ = 25123840.

The previous prime is 65055647. The next prime is 65055709. The reversal of 65055700 is 755056.

It can be written as a sum of positive squares in 6 ways, for example, as 767376 + 64288324 = 876^2 + 8018^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65055709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8317 + ... + 14116.

It is an arithmetic number, because the mean of its divisors is an integer number (4056815).

Almost surely, 2^65055700 is an apocalyptic number.

It is an amenable number.

65055700 is an abundant number, since it is smaller than the sum of its proper divisors (80989640).

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

65055700 is a wasteful number, since it uses less digits than its factorization.

65055700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22476 (or 22469 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 65055700 is about 8065.7113759420. The cubic root of 65055700 is about 402.1873914920.

The spelling of 65055700 in words is "sixty-five million, fifty-five thousand, seven hundred".