55127353440 has 96 divisors (see below), whose sum is σ = 176243074560. Its totient is φ = 14481206784.

The previous prime is 55127353403. The next prime is 55127353441. The reversal of 55127353440 is 4435372155.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55127353441) 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, 824920 + ... + 889239.

It is an arithmetic number, because the mean of its divisors is an integer number (1835865360).

Almost surely, 2^55127353440 is an apocalyptic number.

It is an amenable number.

55127353440 is an abundant number, since it is smaller than the sum of its proper divisors (121115721120).

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

55127353440 is a wasteful number, since it uses less digits than its factorization.

55127353440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714244 (or 1714236 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 55127353440 in words is "fifty-five billion, one hundred twenty-seven million, three hundred fifty-three thousand, four hundred forty".