65501436 has 288 divisors, whose sum is σ = 225227520. Its totient is φ = 14515200.

The previous prime is 65501413. The next prime is 65501437. The reversal of 65501436 is 63410556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65501437) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1597576 + ... + 1597616.

It is an arithmetic number, because the mean of its divisors is an integer number (782040).

Almost surely, 2^65501436 is an apocalyptic number.

65501436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65501436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112613760).

65501436 is an abundant number, since it is smaller than the sum of its proper divisors (159726084).

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

65501436 is a wasteful number, since it uses less digits than its factorization.

65501436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 65501436 is about 8093.2957440094. The cubic root of 65501436 is about 403.1038447404.

It can be divided in two parts, 65 and 501436, that added together give a triangular number (501501 = T₁₀₀₁).

The spelling of 65501436 in words is "sixty-five million, five hundred one thousand, four hundred thirty-six".