55606730 has 16 divisors (see below), whose sum is σ = 105360480. Its totient is φ = 21071952.

The previous prime is 55606721. The next prime is 55606751. The reversal of 55606730 is 3760655.

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, 146144 + ... + 146523.

It is an arithmetic number, because the mean of its divisors is an integer number (6585030).

Almost surely, 2^55606730 is an apocalyptic number.

55606730 is a deficient number, since it is larger than the sum of its proper divisors (49753750).

55606730 is a wasteful number, since it uses less digits than its factorization.

55606730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292693.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 55606730 is about 7456.9920209157. The cubic root of 55606730 is about 381.6885384600.

The spelling of 55606730 in words is "fifty-five million, six hundred six thousand, seven hundred thirty".