27553001651400 has 48 divisors (see below), whose sum is σ = 85414305121200. Its totient is φ = 7347467106880.

The previous prime is 27553001651389. The next prime is 27553001651423. The reversal of 27553001651400 is 415610035572.

It is a super-2 number, since 2×27553001651400² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22960834110 + ... + 22960835309.

It is an arithmetic number, because the mean of its divisors is an integer number (1779464690025).

Almost surely, 2^{27553001651400} is an apocalyptic number.

27553001651400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27553001651400 is an abundant number, since it is smaller than the sum of its proper divisors (57861303469800).

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

27553001651400 is a wasteful number, since it uses less digits than its factorization.

27553001651400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45921669438 (or 45921669429 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

Adding to 27553001651400 its reverse (415610035572), we get a palindrome (27968611686972).

The spelling of 27553001651400 in words is "twenty-seven trillion, five hundred fifty-three billion, one million, six hundred fifty-one thousand, four hundred".