55506068 has 24 divisors (see below), whose sum is σ = 105016800. Its totient is φ = 25580448.

The previous prime is 55506047. The next prime is 55506097. The reversal of 55506068 is 86060555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7058 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (4375700).

Almost surely, 2^55506068 is an apocalyptic number.

It is an amenable number.

55506068 is a deficient number, since it is larger than the sum of its proper divisors (49510732).

55506068 is a wasteful number, since it uses less digits than its factorization.

55506068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19799 (or 19797 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 55506068 is about 7450.2394592389. The cubic root of 55506068 is about 381.4580823073.

The spelling of 55506068 in words is "fifty-five million, five hundred six thousand, sixty-eight".