55212162016 has 48 divisors (see below), whose sum is σ = 124821768960. Its totient is φ = 23775569280.

The previous prime is 55212161987. The next prime is 55212162017. The reversal of 55212162016 is 61026121255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55212162017) 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, 4121016 + ... + 4134391.

It is an arithmetic number, because the mean of its divisors is an integer number (2600453520).

Almost surely, 2^55212162016 is an apocalyptic number.

It is an amenable number.

55212162016 is an abundant number, since it is smaller than the sum of its proper divisors (69609606944).

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

55212162016 is a wasteful number, since it uses less digits than its factorization.

55212162016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255447 (or 8255439 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 55212162016 in words is "fifty-five billion, two hundred twelve million, one hundred sixty-two thousand, sixteen".