61055970 has 32 divisors (see below), whose sum is σ = 150111360. Its totient is φ = 15884160.

The previous prime is 61055941. The next prime is 61055989. The reversal of 61055970 is 7955016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23590 + ... + 26049.

It is an arithmetic number, because the mean of its divisors is an integer number (4690980).

Almost surely, 2^61055970 is an apocalyptic number.

61055970 is an abundant number, since it is smaller than the sum of its proper divisors (89055390).

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

61055970 is a wasteful number, since it uses less digits than its factorization.

61055970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49690.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 61055970 is about 7813.8319664554. The cubic root of 61055970 is about 393.7700780893.

The spelling of 61055970 in words is "sixty-one million, fifty-five thousand, nine hundred seventy".