55720341 has 12 divisors (see below), whose sum is σ = 80848768. Its totient is φ = 36978984.

The previous prime is 55720337. The next prime is 55720351. The reversal of 55720341 is 14302755.

It is a happy number.

55720341 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 55720341 - 2² = 55720337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55720351) 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, 11875 + ... + 15888.

Almost surely, 2^55720341 is an apocalyptic number.

It is an amenable number.

55720341 is a deficient number, since it is larger than the sum of its proper divisors (25128427).

55720341 is a wasteful number, since it uses less digits than its factorization.

55720341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27992 (or 27989 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 55720341 is about 7464.6058837691. The cubic root of 55720341 is about 381.9483062822.

The spelling of 55720341 in words is "fifty-five million, seven hundred twenty thousand, three hundred forty-one".