55130245500 has 96 divisors (see below), whose sum is σ = 175133806848. Its totient is φ = 13364904000.

The previous prime is 55130245481. The next prime is 55130245507. The reversal of 55130245500 is 554203155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55130245507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1654114 + ... + 1687113.

It is an arithmetic number, because the mean of its divisors is an integer number (1824310488).

Almost surely, 2^55130245500 is an apocalyptic number.

55130245500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55130245500 is an abundant number, since it is smaller than the sum of its proper divisors (120003561348).

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

55130245500 is a wasteful number, since it uses less digits than its factorization.

55130245500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341260 (or 3341248 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 55130245500 its reverse (554203155), we get a palindrome (55684448655).

The spelling of 55130245500 in words is "fifty-five billion, one hundred thirty million, two hundred forty-five thousand, five hundred".