61956264 has 48 divisors (see below), whose sum is σ = 163494720. Its totient is φ = 19562400.

The previous prime is 61956247. The next prime is 61956269. The reversal of 61956264 is 46265916.

It is not an unprimeable number, because it can be changed into a prime (61956269) 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 11 ways as a sum of consecutive naturals, for example, 5089 + ... + 12239.

It is an arithmetic number, because the mean of its divisors is an integer number (3406140).

Almost surely, 2^61956264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61956264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81747360).

61956264 is an abundant number, since it is smaller than the sum of its proper divisors (101538456).

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

61956264 is a wasteful number, since it uses less digits than its factorization.

61956264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198 (or 7175 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 61956264 is about 7871.2301452822. The cubic root of 61956264 is about 395.6960732978.

The spelling of 61956264 in words is "sixty-one million, nine hundred fifty-six thousand, two hundred sixty-four".