55557131884 has 6 divisors (see below), whose sum is σ = 97224980804. Its totient is φ = 27778565940.

The previous prime is 55557131881. The next prime is 55557131897. The reversal of 55557131884 is 48813175555.

It is not an unprimeable number, because it can be changed into a prime (55557131881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944641482 + ... + 6944641489.

Almost surely, 2^55557131884 is an apocalyptic number.

It is an amenable number.

55557131884 is a deficient number, since it is larger than the sum of its proper divisors (41667848920).

55557131884 is a wasteful number, since it uses less digits than its factorization.

55557131884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13889282975 (or 13889282973 counting only the distinct ones).

The product of its digits is 3360000, while the sum is 52.

The spelling of 55557131884 in words is "fifty-five billion, five hundred fifty-seven million, one hundred thirty-one thousand, eight hundred eighty-four".