55883898 has 64 divisors (see below), whose sum is σ = 142955520. Its totient is φ = 15851376.

The previous prime is 55883881. The next prime is 55883911. The reversal of 55883898 is 89838855.

55883898 is a `hidden beast` number, since 558 + 8 + 3 + 89 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61161 + ... + 62067.

It is an arithmetic number, because the mean of its divisors is an integer number (2233680).

Almost surely, 2^55883898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55883898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71477760).

55883898 is an abundant number, since it is smaller than the sum of its proper divisors (87071622).

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

55883898 is a wasteful number, since it uses less digits than its factorization.

55883898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1082 counting only the distinct ones).

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

The square root of 55883898 is about 7475.5533574445. The cubic root of 55883898 is about 382.3216546504.

The spelling of 55883898 in words is "fifty-five million, eight hundred eighty-three thousand, eight hundred ninety-eight".