55557110506 has 4 divisors (see below), whose sum is σ = 83335665762. Its totient is φ = 27778555252.

The previous prime is 55557110473. The next prime is 55557110537. The reversal of 55557110506 is 60501175555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60501175555 = 5 ⋅12100235111.

It can be written as a sum of positive squares in only one way, i.e., 45528890625 + 10028219881 = 213375^2 + 100141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13889277625 + ... + 13889277628.

Almost surely, 2^55557110506 is an apocalyptic number.

55557110506 is a deficient number, since it is larger than the sum of its proper divisors (27778555256).

55557110506 is a wasteful number, since it uses less digits than its factorization.

55557110506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27778555255.

The product of its (nonzero) digits is 131250, while the sum is 40.

The spelling of 55557110506 in words is "fifty-five billion, five hundred fifty-seven million, one hundred ten thousand, five hundred six".