55162164042 has 24 divisors (see below), whose sum is σ = 119579927844. Its totient is φ = 18377864064.

The previous prime is 55162164019. The next prime is 55162164049. The reversal of 55162164042 is 24046126155.

55162164042 is a `hidden beast` number, since 5 + 5 + 1 + 6 + 2 + 1 + 640 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48597761601 + 6564402441 = 220449^2 + 81021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55162163988 and 55162164006.

It is not an unprimeable number, because it can be changed into a prime (55162164049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757903 + ... + 827490.

Almost surely, 2^55162164042 is an apocalyptic number.

55162164042 is an abundant number, since it is smaller than the sum of its proper divisors (64417763802).

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

55162164042 is a wasteful number, since it uses less digits than its factorization.

55162164042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587334 (or 1587331 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 55162164042 in words is "fifty-five billion, one hundred sixty-two million, one hundred sixty-four thousand, forty-two".