55278587188527 has 8 divisors (see below), whose sum is σ = 73710153867264. Its totient is φ = 36849705984408.

The previous prime is 55278587188523. The next prime is 55278587188549. The reversal of 55278587188527 is 72588178587255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55278587188527 - 2² = 55278587188523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55278587188523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671320623 + ... + 671402960.

It is an arithmetic number, because the mean of its divisors is an integer number (9213769233408).

Almost surely, 2^{55278587188527} is an apocalyptic number.

55278587188527 is a deficient number, since it is larger than the sum of its proper divisors (18431566678737).

55278587188527 is a wasteful number, since it uses less digits than its factorization.

55278587188527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342737309.

The product of its digits is 3512320000, while the sum is 78.

The spelling of 55278587188527 in words is "fifty-five trillion, two hundred seventy-eight billion, five hundred eighty-seven million, one hundred eighty-eight thousand, five hundred twenty-seven".