55808308 has 12 divisors (see below), whose sum is σ = 100815232. Its totient is φ = 27003960.

The previous prime is 55808303. The next prime is 55808309. The reversal of 55808308 is 80380855.

It is a super-2 number, since 2×55808308² = 6229134483645728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55808303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224910 + ... + 225157.

Almost surely, 2^55808308 is an apocalyptic number.

It is an amenable number.

55808308 is a deficient number, since it is larger than the sum of its proper divisors (45006924).

55808308 is a wasteful number, since it uses less digits than its factorization.

55808308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450102 (or 450100 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 55808308 is about 7470.4958336110. The cubic root of 55808308 is about 382.1491974974.

The spelling of 55808308 in words is "fifty-five million, eight hundred eight thousand, three hundred eight".