55633130 has 24 divisors (see below), whose sum is σ = 116489988. Its totient is φ = 19074048.

The previous prime is 55633111. The next prime is 55633133. The reversal of 55633130 is 3133655.

55633130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53919649 + 1713481 = 7343^2 + 1309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55633130.

It is not an unprimeable number, because it can be changed into a prime (55633133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56279 + ... + 57258.

Almost surely, 2^55633130 is an apocalyptic number.

55633130 is an abundant number, since it is smaller than the sum of its proper divisors (60856858).

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

55633130 is a wasteful number, since it uses less digits than its factorization.

55633130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113558 (or 113551 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 55633130 is about 7458.7619616127. The cubic root of 55633130 is about 381.7489327275.

Adding to 55633130 its reverse (3133655), we get a palindrome (58766785).

The spelling of 55633130 in words is "fifty-five million, six hundred thirty-three thousand, one hundred thirty".