55330712 has 8 divisors (see below), whose sum is σ = 103745100. Its totient is φ = 27665352.

The previous prime is 55330711. The next prime is 55330783. The reversal of 55330712 is 21703355.

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

It is a super-2 number, since 2×55330712² = 6122975380853888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55330711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458162 + ... + 3458177.

Almost surely, 2^55330712 is an apocalyptic number.

It is an amenable number.

55330712 is a deficient number, since it is larger than the sum of its proper divisors (48414388).

55330712 is a wasteful number, since it uses less digits than its factorization.

55330712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916345 (or 6916341 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55330712 is about 7438.4616689205. The cubic root of 55330712 is about 381.0559549308.

The spelling of 55330712 in words is "fifty-five million, three hundred thirty thousand, seven hundred twelve".