55220353130 has 32 divisors (see below), whose sum is σ = 99678717504. Its totient is φ = 22025517696.

The previous prime is 55220353129. The next prime is 55220353231. The reversal of 55220353130 is 3135302255.

It is a junction number, because it is equal to n+sod(n) for n = 55220353093 and 55220353102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12654329 + ... + 12658691.

It is an arithmetic number, because the mean of its divisors is an integer number (3114959922).

Almost surely, 2^55220353130 is an apocalyptic number.

55220353130 is a deficient number, since it is larger than the sum of its proper divisors (44458364374).

55220353130 is a wasteful number, since it uses less digits than its factorization.

55220353130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 55220353130 its reverse (3135302255), we get a palindrome (58355655385).

The spelling of 55220353130 in words is "fifty-five billion, two hundred twenty million, three hundred fifty-three thousand, one hundred thirty".