53536290 has 64 divisors (see below), whose sum is σ = 134424576. Its totient is φ = 13632192.

The previous prime is 53536277. The next prime is 53536297. The reversal of 53536290 is 9263535.

It is a super-2 number, since 2×53536290² = 5732268693928200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53536297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60189 + ... + 61071.

It is an arithmetic number, because the mean of its divisors is an integer number (2100384).

Almost surely, 2^53536290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53536290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67212288).

53536290 is an abundant number, since it is smaller than the sum of its proper divisors (80888286).

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

53536290 is a wasteful number, since it uses less digits than its factorization.

53536290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 53536290 is about 7316.8497319543. The cubic root of 53536290 is about 376.8912810031.

The spelling of 53536290 in words is "fifty-three million, five hundred thirty-six thousand, two hundred ninety".