55153168 has 80 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 21915648.

The previous prime is 55153129. The next prime is 55153207. The reversal of 55153168 is 86135155.

It is an interprime number because it is at equal distance from previous prime (55153129) and next prime (55153207).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157858 + ... + 158206.

It is an arithmetic number, because the mean of its divisors is an integer number (1640520).

Almost surely, 2^55153168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55153168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65620800).

55153168 is an abundant number, since it is smaller than the sum of its proper divisors (76088432).

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

55153168 is a wasteful number, since it uses less digits than its factorization.

55153168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 55153168 is about 7426.5178919868. The cubic root of 55153168 is about 380.6479434924.

The spelling of 55153168 in words is "fifty-five million, one hundred fifty-three thousand, one hundred sixty-eight".