55560993 has 8 divisors (see below), whose sum is σ = 74144448. Its totient is φ = 37009104.

The previous prime is 55560991. The next prime is 55561001. The reversal of 55560993 is 39906555.

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

It is not a de Polignac number, because 55560993 - 2¹ = 55560991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55560991) 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, 3421 + ... + 11082.

It is an arithmetic number, because the mean of its divisors is an integer number (9268056).

Almost surely, 2^55560993 is an apocalyptic number.

It is an amenable number.

55560993 is a deficient number, since it is larger than the sum of its proper divisors (18583455).

55560993 is a wasteful number, since it uses less digits than its factorization.

55560993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15783.

The product of its (nonzero) digits is 182250, while the sum is 42.

The square root of 55560993 is about 7453.9246709368. The cubic root of 55560993 is about 381.5838624185.

The spelling of 55560993 in words is "fifty-five million, five hundred sixty thousand, nine hundred ninety-three".