61968552 has 32 divisors (see below), whose sum is σ = 155126400. Its totient is φ = 20628864.

The previous prime is 61968551. The next prime is 61968559. The reversal of 61968552 is 25586916.

It is not an unprimeable number, because it can be changed into a prime (61968551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25953 + ... + 28239.

It is an arithmetic number, because the mean of its divisors is an integer number (4847700).

Almost surely, 2^61968552 is an apocalyptic number.

It is an amenable number.

61968552 is an abundant number, since it is smaller than the sum of its proper divisors (93157848).

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

61968552 is a wasteful number, since it uses less digits than its factorization.

61968552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3421 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 61968552 is about 7872.0106707245. The cubic root of 61968552 is about 395.7222314919.

The spelling of 61968552 in words is "sixty-one million, nine hundred sixty-eight thousand, five hundred fifty-two".