55649446080 has 56 divisors (see below), whose sum is σ = 176686994352. Its totient is φ = 14839852032.

The previous prime is 55649446079. The next prime is 55649446081. The reversal of 55649446080 is 8064494655.

55649446080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55649446079) and next prime (55649446081).

It is not an unprimeable number, because it can be changed into a prime (55649446081) 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, 28983127 + ... + 28985046.

Almost surely, 2^55649446080 is an apocalyptic number.

It is an amenable number.

55649446080 is an abundant number, since it is smaller than the sum of its proper divisors (121037548272).

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

55649446080 is a wasteful number, since it uses less digits than its factorization.

55649446080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57968193 (or 57968183 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 55649446080 in words is "fifty-five billion, six hundred forty-nine million, four hundred forty-six thousand, eighty".