61597050 has 48 divisors (see below), whose sum is σ = 160808160. Its totient is φ = 15560640.

The previous prime is 61597033. The next prime is 61597051. The reversal of 61597050 is 5079516.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61597051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7957 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (3350170).

Almost surely, 2^61597050 is an apocalyptic number.

61597050 is an abundant number, since it is smaller than the sum of its proper divisors (99211110).

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

61597050 is a wasteful number, since it uses less digits than its factorization.

61597050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21647 (or 21642 counting only the distinct ones).

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

The square root of 61597050 is about 7848.3788134875. The cubic root of 61597050 is about 394.9298598955.

The spelling of 61597050 in words is "sixty-one million, five hundred ninety-seven thousand, fifty".