55997606 has 16 divisors (see below), whose sum is σ = 96093216. Its totient is φ = 23974656.

The previous prime is 55997603. The next prime is 55997611. The reversal of 55997606 is 60679955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55997603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22580 + ... + 24936.

It is an arithmetic number, because the mean of its divisors is an integer number (6005826).

Almost surely, 2^55997606 is an apocalyptic number.

55997606 is a deficient number, since it is larger than the sum of its proper divisors (40095610).

55997606 is a wasteful number, since it uses less digits than its factorization.

55997606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 55997606 is about 7483.1548159850. The cubic root of 55997606 is about 382.5807846229.

The spelling of 55997606 in words is "fifty-five million, nine hundred ninety-seven thousand, six hundred six".