55557332 has 36 divisors (see below), whose sum is σ = 102179700. Its totient is φ = 26426880.

The previous prime is 55557331. The next prime is 55557361. The reversal of 55557332 is 23375555.

It can be written as a sum of positive squares in 2 ways, for example, as 14776336 + 40780996 = 3844^2 + 6386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55557292 and 55557301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55557331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372794 + ... + 372942.

It is an arithmetic number, because the mean of its divisors is an integer number (2838325).

Almost surely, 2^55557332 is an apocalyptic number.

It is an amenable number.

55557332 is a deficient number, since it is larger than the sum of its proper divisors (46622368).

55557332 is a wasteful number, since it uses less digits than its factorization.

55557332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 279 counting only the distinct ones).

The product of its digits is 78750, while the sum is 35.

The square root of 55557332 is about 7453.6790915628. The cubic root of 55557332 is about 381.5754811836.

The spelling of 55557332 in words is "fifty-five million, five hundred fifty-seven thousand, three hundred thirty-two".