55162213145 has 16 divisors (see below), whose sum is σ = 71847874560. Its totient is φ = 40414417344.

The previous prime is 55162213133. The next prime is 55162213147. The reversal of 55162213145 is 54131226155.

It is a cyclic number.

It is not a de Polignac number, because 55162213145 - 2²² = 55158018841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55162213147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3332885 + ... + 3349394.

It is an arithmetic number, because the mean of its divisors is an integer number (4490492160).

Almost surely, 2^55162213145 is an apocalyptic number.

It is an amenable number.

55162213145 is a deficient number, since it is larger than the sum of its proper divisors (16685661415).

55162213145 is a wasteful number, since it uses less digits than its factorization.

55162213145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682424.

The product of its digits is 36000, while the sum is 35.

The spelling of 55162213145 in words is "fifty-five billion, one hundred sixty-two million, two hundred thirteen thousand, one hundred forty-five".