61715552 has 24 divisors (see below), whose sum is σ = 121685256. Its totient is φ = 30811392.

The previous prime is 61715551. The next prime is 61715557. The reversal of 61715552 is 25551716.

61715552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61715551) 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 3 ways as a sum of consecutive naturals, for example, 32123 + ... + 33989.

It is an arithmetic number, because the mean of its divisors is an integer number (5070219).

Almost surely, 2^61715552 is an apocalyptic number.

It is an amenable number.

61715552 is a deficient number, since it is larger than the sum of its proper divisors (59969704).

61715552 is a wasteful number, since it uses less digits than its factorization.

61715552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2902 counting only the distinct ones).

The product of its digits is 10500, while the sum is 32.

The square root of 61715552 is about 7855.9246432231. The cubic root of 61715552 is about 395.1829564243.

The spelling of 61715552 in words is "sixty-one million, seven hundred fifteen thousand, five hundred fifty-two".