55712061 has 12 divisors (see below), whose sum is σ = 82185792. Its totient is φ = 36350856.

The previous prime is 55712057. The next prime is 55712087. The reversal of 55712061 is 16021755.

55712061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55712061 - 2² = 55712057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55712561) 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 11 ways as a sum of consecutive naturals, for example, 65431 + ... + 66276.

It is an arithmetic number, because the mean of its divisors is an integer number (6848816).

Almost surely, 2^55712061 is an apocalyptic number.

It is an amenable number.

55712061 is a deficient number, since it is larger than the sum of its proper divisors (26473731).

55712061 is a wasteful number, since it uses less digits than its factorization.

55712061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131760 (or 131757 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 55712061 is about 7464.0512458048. The cubic root of 55712061 is about 381.9293862697.

The spelling of 55712061 in words is "fifty-five million, seven hundred twelve thousand, sixty-one".