55655424 has 220 divisors, whose sum is σ = 184279128. Its totient is φ = 16588800.

The previous prime is 55655407. The next prime is 55655443. The reversal of 55655424 is 42455655.

55655424 is a `hidden beast` number, since 55 + 65 + 542 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 912354 + ... + 912414.

Almost surely, 2^55655424 is an apocalyptic number.

55655424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55655424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92139564).

55655424 is an abundant number, since it is smaller than the sum of its proper divisors (128623704).

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

55655424 is a wasteful number, since it uses less digits than its factorization.

55655424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 77 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 55655424 is about 7460.2562958654. The cubic root of 55655424 is about 381.7999189781.

The spelling of 55655424 in words is "fifty-five million, six hundred fifty-five thousand, four hundred twenty-four".