61052200 has 48 divisors (see below), whose sum is σ = 154856160. Its totient is φ = 22200000.

The previous prime is 61052191. The next prime is 61052203. The reversal of 61052200 is 225016.

It is a happy number.

It is a super-2 number, since 2×61052200² = 7454742249680000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61052203) 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, 11676 + ... + 16075.

It is an arithmetic number, because the mean of its divisors is an integer number (3226170).

Almost surely, 2^61052200 is an apocalyptic number.

It is an amenable number.

61052200 is an abundant number, since it is smaller than the sum of its proper divisors (93803960).

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

61052200 is a wasteful number, since it uses less digits than its factorization.

61052200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27778 (or 27769 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 61052200 is about 7813.5907238606. The cubic root of 61052200 is about 393.7619732649.

Adding to 61052200 its reverse (225016), we get a palindrome (61277216).

The spelling of 61052200 in words is "sixty-one million, fifty-two thousand, two hundred".