61056550 has 12 divisors (see below), whose sum is σ = 113565276. Its totient is φ = 24422600.

The previous prime is 61056539. The next prime is 61056551. The reversal of 61056550 is 5565016.

61056550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61056551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610516 + ... + 610615.

It is an arithmetic number, because the mean of its divisors is an integer number (9463773).

Almost surely, 2^61056550 is an apocalyptic number.

61056550 is a deficient number, since it is larger than the sum of its proper divisors (52508726).

61056550 is a wasteful number, since it uses less digits than its factorization.

61056550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221143 (or 1221138 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 61056550 is about 7813.8690800397. The cubic root of 61056550 is about 393.7713249557.

The spelling of 61056550 in words is "sixty-one million, fifty-six thousand, five hundred fifty".