55742056 has 8 divisors (see below), whose sum is σ = 104516370. Its totient is φ = 27871024.

The previous prime is 55742051. The next prime is 55742059. The reversal of 55742056 is 65024755.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 900 = 7466^2 + 30^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (55742051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483871 + ... + 3483886.

Almost surely, 2^55742056 is an apocalyptic number.

It is an amenable number.

55742056 is a deficient number, since it is larger than the sum of its proper divisors (48774314).

55742056 is a wasteful number, since it uses less digits than its factorization.

55742056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967763 (or 6967759 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 55742056 is about 7466.0602729954. The cubic root of 55742056 is about 381.9979167124.

The spelling of 55742056 in words is "fifty-five million, seven hundred forty-two thousand, fifty-six".