55130352 has 20 divisors (see below), whose sum is σ = 142420200. Its totient is φ = 18376768.

The previous prime is 55130329. The next prime is 55130353. The reversal of 55130352 is 25303155.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55130353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574227 + ... + 574322.

It is an arithmetic number, because the mean of its divisors is an integer number (7121010).

Almost surely, 2^55130352 is an apocalyptic number.

It is an amenable number.

55130352 is an abundant number, since it is smaller than the sum of its proper divisors (87289848).

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

55130352 is a wasteful number, since it uses less digits than its factorization.

55130352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148560 (or 1148554 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55130352 is about 7424.9816161389. The cubic root of 55130352 is about 380.5954468927.

It can be divided in two parts, 551 and 30352, that added together give a palindrome (30903).

The spelling of 55130352 in words is "fifty-five million, one hundred thirty thousand, three hundred fifty-two".