55300520 has 32 divisors (see below), whose sum is σ = 135738720. Its totient is φ = 20109120.

The previous prime is 55300517. The next prime is 55300543. The reversal of 55300520 is 2500355.

55300520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 55300492 and 55300501.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62402 + ... + 63281.

It is an arithmetic number, because the mean of its divisors is an integer number (4241835).

Almost surely, 2^55300520 is an apocalyptic number.

It is an amenable number.

55300520 is an abundant number, since it is smaller than the sum of its proper divisors (80438200).

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

55300520 is a wasteful number, since it uses less digits than its factorization.

55300520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125705 (or 125701 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 55300520 is about 7436.4319401175. The cubic root of 55300520 is about 380.9866327635.

Adding to 55300520 its reverse (2500355), we get a palindrome (57800875).

The spelling of 55300520 in words is "fifty-five million, three hundred thousand, five hundred twenty".