55557947525 has 24 divisors (see below), whose sum is σ = 70054847304. Its totient is φ = 43696742400.

The previous prime is 55557947479. The next prime is 55557947593. The reversal of 55557947525 is 52574975555.

It can be written as a sum of positive squares in 12 ways, for example, as 14411042116 + 41146905409 = 120046^2 + 202847^2 .

It is not a de Polignac number, because 55557947525 - 2⁶ = 55557947461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3678389 + ... + 3693461.

It is an arithmetic number, because the mean of its divisors is an integer number (2918951971).

Almost surely, 2^55557947525 is an apocalyptic number.

It is an amenable number.

55557947525 is a deficient number, since it is larger than the sum of its proper divisors (14496899779).

55557947525 is a wasteful number, since it uses less digits than its factorization.

55557947525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17561 (or 17556 counting only the distinct ones).

The product of its digits is 55125000, while the sum is 59.

The spelling of 55557947525 in words is "fifty-five billion, five hundred fifty-seven million, nine hundred forty-seven thousand, five hundred twenty-five".