55520331404300 has 72 divisors (see below), whose sum is σ = 140620005410304. Its totient is φ = 18630530648640.

The previous prime is 55520331404299. The next prime is 55520331404323. The reversal of 55520331404300 is 340413302555.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843741134 + ... + 843806933.

Almost surely, 2^{55520331404300} is an apocalyptic number.

55520331404300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55520331404300 is an abundant number, since it is smaller than the sum of its proper divisors (85099674006004).

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

55520331404300 is a wasteful number, since it uses less digits than its factorization.

55520331404300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687548135 (or 1687548128 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 55520331404300 its reverse (340413302555), we get a palindrome (55860744706855).

The spelling of 55520331404300 in words is "fifty-five trillion, five hundred twenty billion, three hundred thirty-one million, four hundred four thousand, three hundred".