55662061236 has 24 divisors (see below), whose sum is σ = 129947537664. Its totient is φ = 18544106880.

The previous prime is 55662061207. The next prime is 55662061243. The reversal of 55662061236 is 63216026655.

It is a super-2 number, since 2×55662061236² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215780 + ... + 1260731.

It is an arithmetic number, because the mean of its divisors is an integer number (5414480736).

Almost surely, 2^55662061236 is an apocalyptic number.

It is an amenable number.

55662061236 is an abundant number, since it is smaller than the sum of its proper divisors (74285476428).

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

55662061236 is a wasteful number, since it uses less digits than its factorization.

55662061236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478391 (or 2478389 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 55662061236 in words is "fifty-five billion, six hundred sixty-two million, sixty-one thousand, two hundred thirty-six".