55543608 has 24 divisors (see below), whose sum is σ = 150430800. Its totient is φ = 18514512.

The previous prime is 55543601. The next prime is 55543627. The reversal of 55543608 is 80634555.

55543608 is a `hidden beast` number, since 5 + 5 + 5 + 43 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55543601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385648 + ... + 385791.

It is an arithmetic number, because the mean of its divisors is an integer number (6267950).

Almost surely, 2^55543608 is an apocalyptic number.

It is an amenable number.

55543608 is an abundant number, since it is smaller than the sum of its proper divisors (94887192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55543608 is a wasteful number, since it uses less digits than its factorization.

55543608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771451 (or 771444 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55543608 is about 7452.7584155130. The cubic root of 55543608 is about 381.5440591494.

The spelling of 55543608 in words is "fifty-five million, five hundred forty-three thousand, six hundred eight".