61552300 has 36 divisors (see below), whose sum is σ = 134817760. Its totient is φ = 24390720.

The previous prime is 61552279. The next prime is 61552303. The reversal of 61552300 is 325516.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61552303) 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, 8077 + ... + 13723.

Almost surely, 2^61552300 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 61552300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67408880).

61552300 is an abundant number, since it is smaller than the sum of its proper divisors (73265460).

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

61552300 is a wasteful number, since it uses less digits than its factorization.

61552300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770 (or 5763 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 61552300 is about 7845.5273882640. The cubic root of 61552300 is about 394.8341984270.

Adding to 61552300 its reverse (325516), we get a palindrome (61877816).

The spelling of 61552300 in words is "sixty-one million, five hundred fifty-two thousand, three hundred".