55557050 has 36 divisors (see below), whose sum is σ = 106078218. Its totient is φ = 21648000.

The previous prime is 55557043. The next prime is 55557077. The reversal of 55557050 is 5075555.

It can be written as a sum of positive squares in 9 ways, for example, as 1343281 + 54213769 = 1159^2 + 7363^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55556998 and 55557016.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 83720 + ... + 84380.

Almost surely, 2^55557050 is an apocalyptic number.

55557050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55557050 is a deficient number, since it is larger than the sum of its proper divisors (50521168).

55557050 is a wasteful number, since it uses less digits than its factorization.

55557050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 21875, while the sum is 32.

The square root of 55557050 is about 7453.6601747061. The cubic root of 55557050 is about 381.5748355774.

The spelling of 55557050 in words is "fifty-five million, five hundred fifty-seven thousand, fifty".