55153120 has 48 divisors (see below), whose sum is σ = 142149168. Its totient is φ = 20055040.

The previous prime is 55153093. The next prime is 55153121. The reversal of 55153120 is 2135155.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 55153091 and 55153100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55153121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13909 + ... + 17428.

It is an arithmetic number, because the mean of its divisors is an integer number (2961441).

Almost surely, 2^55153120 is an apocalyptic number.

It is an amenable number.

55153120 is an abundant number, since it is smaller than the sum of its proper divisors (86996048).

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

55153120 is a wasteful number, since it uses less digits than its factorization.

55153120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31363 (or 31355 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55153120 is about 7426.5146603235. The cubic root of 55153120 is about 380.6478330659.

Adding to 55153120 its reverse (2135155), we get a palindrome (57288275).

The spelling of 55153120 in words is "fifty-five million, one hundred fifty-three thousand, one hundred twenty".