55695384 has 128 divisors (see below), whose sum is σ = 167328000. Its totient is φ = 17107200.

The previous prime is 55695377. The next prime is 55695391. The reversal of 55695384 is 48359655.

55695384 is a `hidden beast` number, since 5 + 569 + 5 + 3 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (55695377) and next prime (55695391).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168099 + ... + 168429.

It is an arithmetic number, because the mean of its divisors is an integer number (1307250).

Almost surely, 2^55695384 is an apocalyptic number.

55695384 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 55695384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83664000).

55695384 is an abundant number, since it is smaller than the sum of its proper divisors (111632616).

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

55695384 is a wasteful number, since it uses less digits than its factorization.

55695384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 396 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 55695384 is about 7462.9340074799. The cubic root of 55695384 is about 381.8912732058.

The spelling of 55695384 in words is "fifty-five million, six hundred ninety-five thousand, three hundred eighty-four".