61055436 has 48 divisors (see below), whose sum is σ = 161504000. Its totient is φ = 17796672.

The previous prime is 61055429. The next prime is 61055447. The reversal of 61055436 is 63455016.

61055436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 15 ways as a sum of consecutive naturals, for example, 7336 + ... + 13263.

Almost surely, 2^61055436 is an apocalyptic number.

It is an amenable number.

61055436 is an abundant number, since it is smaller than the sum of its proper divisors (100448564).

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

61055436 is a wasteful number, since it uses less digits than its factorization.

61055436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20638 (or 20636 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 61055436 is about 7813.7977962064. The cubic root of 61055436 is about 393.7689301053.

The spelling of 61055436 in words is "sixty-one million, fifty-five thousand, four hundred thirty-six".