55165120602 has 16 divisors (see below), whose sum is σ = 114134732640. Its totient is φ = 17754291632.

The previous prime is 55165120601. The next prime is 55165120609. The reversal of 55165120602 is 20602156155.

It is not an unprimeable number, because it can be changed into a prime (55165120601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158520288 + ... + 158520635.

It is an arithmetic number, because the mean of its divisors is an integer number (7133420790).

Almost surely, 2^55165120602 is an apocalyptic number.

55165120602 is an abundant number, since it is smaller than the sum of its proper divisors (58969612038).

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

55165120602 is a wasteful number, since it uses less digits than its factorization.

55165120602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317040957.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 55165120602 its reverse (20602156155), we get a palindrome (75767276757).

The spelling of 55165120602 in words is "fifty-five billion, one hundred sixty-five million, one hundred twenty thousand, six hundred two".