61293856 has 24 divisors (see below), whose sum is σ = 129955644. Its totient is φ = 28289280.

The previous prime is 61293839. The next prime is 61293863. The reversal of 61293856 is 65839216.

It can be written as a sum of positive squares in 2 ways, for example, as 59043856 + 2250000 = 7684^2 + 1500^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 73255 + ... + 74086.

Almost surely, 2^61293856 is an apocalyptic number.

It is an amenable number.

61293856 is an abundant number, since it is smaller than the sum of its proper divisors (68661788).

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

61293856 is a wasteful number, since it uses less digits than its factorization.

61293856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147364 (or 147356 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 61293856 is about 7829.0392769484. The cubic root of 61293856 is about 394.2808170944.

The spelling of 61293856 in words is "sixty-one million, two hundred ninety-three thousand, eight hundred fifty-six".