53650980 has 144 divisors (see below), whose sum is σ = 175134960. Its totient is φ = 13246464.

The previous prime is 53650969. The next prime is 53651009. The reversal of 53650980 is 8905635.

It can be written as a sum of positive squares in 8 ways, for example, as 2842596 + 50808384 = 1686^2 + 7128^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 272242 + ... + 272438.

It is an arithmetic number, because the mean of its divisors is an integer number (1216215).

Almost surely, 2^53650980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53650980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87567480).

53650980 is an abundant number, since it is smaller than the sum of its proper divisors (121483980).

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

53650980 is a wasteful number, since it uses less digits than its factorization.

53650980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 53650980 is about 7324.6829282912. The cubic root of 53650980 is about 377.1602252431.

The spelling of 53650980 in words is "fifty-three million, six hundred fifty thousand, nine hundred eighty".