55557633 has 4 divisors (see below), whose sum is σ = 74076848. Its totient is φ = 37038420.

The previous prime is 55557631. The next prime is 55557643. The reversal of 55557633 is 33675555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55557633 - 2¹ = 55557631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55557591 and 55557600.

It is not an unprimeable number, because it can be changed into a prime (55557631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9259603 + ... + 9259608.

It is an arithmetic number, because the mean of its divisors is an integer number (18519212).

Almost surely, 2^55557633 is an apocalyptic number.

It is an amenable number.

55557633 is a deficient number, since it is larger than the sum of its proper divisors (18519215).

55557633 is a wasteful number, since it uses less digits than its factorization.

55557633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18519214.

The product of its digits is 236250, while the sum is 39.

The square root of 55557633 is about 7453.6992829064. The cubic root of 55557633 is about 381.5761702856.

The spelling of 55557633 in words is "fifty-five million, five hundred fifty-seven thousand, six hundred thirty-three".