55555601 has 8 divisors (see below), whose sum is σ = 58548000. Its totient is φ = 52570080.

The previous prime is 55555579. The next prime is 55555631. The reversal of 55555601 is 10655555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55555601 - 2¹⁴ = 55539217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55555631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31421 + ... + 33141.

It is an arithmetic number, because the mean of its divisors is an integer number (7318500).

Almost surely, 2^55555601 is an apocalyptic number.

It is an amenable number.

55555601 is a deficient number, since it is larger than the sum of its proper divisors (2992399).

55555601 is a wasteful number, since it uses less digits than its factorization.

55555601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 55555601 is about 7453.5629735047. The cubic root of 55555601 is about 381.5715182262.

The spelling of 55555601 in words is "fifty-five million, five hundred fifty-five thousand, six hundred one".