55616728395 has 16 divisors (see below), whose sum is σ = 90058897152. Its totient is φ = 29304877920.

The previous prime is 55616728393. The next prime is 55616728397. The reversal of 55616728395 is 59382761655.

It is an interprime number because it is at equal distance from previous prime (55616728393) and next prime (55616728397).

It is not a de Polignac number, because 55616728395 - 2¹ = 55616728393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55616728393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22334791 + ... + 22337280.

It is an arithmetic number, because the mean of its divisors is an integer number (5628681072).

Almost surely, 2^55616728395 is an apocalyptic number.

55616728395 is a deficient number, since it is larger than the sum of its proper divisors (34442168757).

55616728395 is a wasteful number, since it uses less digits than its factorization.

55616728395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44672162.

The product of its digits is 13608000, while the sum is 57.

The spelling of 55616728395 in words is "fifty-five billion, six hundred sixteen million, seven hundred twenty-eight thousand, three hundred ninety-five".