55888398 has 24 divisors (see below), whose sum is σ = 121266288. Its totient is φ = 18602592.

The previous prime is 55888397. The next prime is 55888403. The reversal of 55888398 is 89388855.

55888398 is a `hidden beast` number, since 558 + 8 + 83 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55888397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13615 + ... + 17237.

It is an arithmetic number, because the mean of its divisors is an integer number (5052762).

Almost surely, 2^55888398 is an apocalyptic number.

55888398 is an abundant number, since it is smaller than the sum of its proper divisors (65377890).

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

55888398 is a wasteful number, since it uses less digits than its factorization.

55888398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4485 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 55888398 is about 7475.8543324492. The cubic root of 55888398 is about 382.3319164093.

The spelling of 55888398 in words is "fifty-five million, eight hundred eighty-eight thousand, three hundred ninety-eight".