27157063550 has 24 divisors (see below), whose sum is σ = 50516967600. Its totient is φ = 10861786880.

The previous prime is 27157063541. The next prime is 27157063607. The reversal of 27157063550 is 5536075172.

It is a super-2 number, since 2×27157063550² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27157063498 and 27157063507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707246 + ... + 744654.

It is an arithmetic number, because the mean of its divisors is an integer number (2104873650).

Almost surely, 2^27157063550 is an apocalyptic number.

27157063550 is a deficient number, since it is larger than the sum of its proper divisors (23359904050).

27157063550 is a wasteful number, since it uses less digits than its factorization.

27157063550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51940 (or 51935 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 41.

The spelling of 27157063550 in words is "twenty-seven billion, one hundred fifty-seven million, sixty-three thousand, five hundred fifty".