55557947526 has 32 divisors (see below), whose sum is σ = 115267795200. Its totient is φ = 17830891680.

The previous prime is 55557947479. The next prime is 55557947593. The reversal of 55557947526 is 62574975555.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55557947526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382240 + ... + 507171.

It is an arithmetic number, because the mean of its divisors is an integer number (3602118600).

Almost surely, 2^55557947526 is an apocalyptic number.

55557947526 is an abundant number, since it is smaller than the sum of its proper divisors (59709847674).

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

55557947526 is a wasteful number, since it uses less digits than its factorization.

55557947526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889804.

The product of its digits is 66150000, while the sum is 60.

The spelling of 55557947526 in words is "fifty-five billion, five hundred fifty-seven million, nine hundred forty-seven thousand, five hundred twenty-six".