55166068 has 6 divisors (see below), whose sum is σ = 96540626. Its totient is φ = 27583032.

The previous prime is 55166053. The next prime is 55166087. The reversal of 55166068 is 86066155.

It can be written as a sum of positive squares in only one way, i.e., 47032164 + 8133904 = 6858^2 + 2852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6895755 + ... + 6895762.

Almost surely, 2^55166068 is an apocalyptic number.

It is an amenable number.

55166068 is a deficient number, since it is larger than the sum of its proper divisors (41374558).

55166068 is a wasteful number, since it uses less digits than its factorization.

55166068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13791521 (or 13791519 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 55166068 is about 7427.3863505274. The cubic root of 55166068 is about 380.6776182803.

The spelling of 55166068 in words is "fifty-five million, one hundred sixty-six thousand, sixty-eight".