55187038886852 has 24 divisors (see below), whose sum is σ = 96895276493400. Its totient is φ = 27502804797440.

The previous prime is 55187038886729. The next prime is 55187038886923. The reversal of 55187038886852 is 25868883078155.

It can be written as a sum of positive squares in 4 ways, for example, as 28527413303236 + 26659625583616 = 5341106^2 + 5163296^2 .

It is a super-2 number, since 2×55187038886852² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55187038886852.

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, 14637143 + ... + 18017214.

It is an arithmetic number, because the mean of its divisors is an integer number (4037303187225).

Almost surely, 2^{55187038886852} is an apocalyptic number.

It is an amenable number.

55187038886852 is a deficient number, since it is larger than the sum of its proper divisors (41708237606548).

55187038886852 is a wasteful number, since it uses less digits than its factorization.

55187038886852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32655751 (or 32655749 counting only the distinct ones).

The product of its (nonzero) digits is 1032192000, while the sum is 74.

The spelling of 55187038886852 in words is "fifty-five trillion, one hundred eighty-seven billion, thirty-eight million, eight hundred eighty-six thousand, eight hundred fifty-two".