55388124 has 60 divisors (see below), whose sum is σ = 157968888. Its totient is φ = 16783200.

The previous prime is 55388119. The next prime is 55388153. The reversal of 55388124 is 42188355.

It is a happy number.

55388124 is a `hidden beast` number, since 553 + 8 + 81 + 24 = 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, 4207 + ... + 11334.

Almost surely, 2^55388124 is an apocalyptic number.

55388124 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55388124 is an abundant number, since it is smaller than the sum of its proper divisors (102580764).

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

55388124 is a wasteful number, since it uses less digits than its factorization.

55388124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568 (or 15557 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 55388124 is about 7442.3197996324. The cubic root of 55388124 is about 381.1877058840.

The spelling of 55388124 in words is "fifty-five million, three hundred eighty-eight thousand, one hundred twenty-four".