55187982364 has 12 divisors (see below), whose sum is σ = 96580822464. Its totient is φ = 27593461664.

The previous prime is 55187982337. The next prime is 55187982371. The reversal of 55187982364 is 46328978155.

55187982364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55187982364³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55187982299 and 55187982308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188592 + ... + 382024.

It is an arithmetic number, because the mean of its divisors is an integer number (8048401872).

Almost surely, 2^55187982364 is an apocalyptic number.

It is an amenable number.

55187982364 is a deficient number, since it is larger than the sum of its proper divisors (41392840100).

55187982364 is a wasteful number, since it uses less digits than its factorization.

55187982364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264764 (or 264762 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The spelling of 55187982364 in words is "fifty-five billion, one hundred eighty-seven million, nine hundred eighty-two thousand, three hundred sixty-four".