55454022210 has 32 divisors (see below), whose sum is σ = 133128489600. Its totient is φ = 14783424128.

The previous prime is 55454022163. The next prime is 55454022223. The reversal of 55454022210 is 1222045455.

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

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, 164502 + ... + 371441.

It is an arithmetic number, because the mean of its divisors is an integer number (4160265300).

Almost surely, 2^55454022210 is an apocalyptic number.

55454022210 is an abundant number, since it is smaller than the sum of its proper divisors (77674467390).

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

55454022210 is a wasteful number, since it uses less digits than its factorization.

55454022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539402.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 55454022210 its reverse (1222045455), we get a palindrome (56676067665).

The spelling of 55454022210 in words is "fifty-five billion, four hundred fifty-four million, twenty-two thousand, two hundred ten".