61705552 has 10 divisors (see below), whose sum is σ = 119554538. Its totient is φ = 30852768.

The previous prime is 61705541. The next prime is 61705577. The reversal of 61705552 is 25550716.

61705552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57395776 + 4309776 = 7576^2 + 2076^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1928283 + ... + 1928314.

Almost surely, 2^61705552 is an apocalyptic number.

It is an amenable number.

61705552 is a deficient number, since it is larger than the sum of its proper divisors (57848986).

61705552 is a wasteful number, since it uses less digits than its factorization.

61705552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856605 (or 3856599 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 61705552 is about 7855.2881551220. The cubic root of 61705552 is about 395.1616109509.

The spelling of 61705552 in words is "sixty-one million, seven hundred five thousand, five hundred fifty-two".