55717651 has 8 divisors (see below), whose sum is σ = 61516224. Its totient is φ = 50041320.

The previous prime is 55717631. The next prime is 55717657. The reversal of 55717651 is 15671755.

55717651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55717651 - 2¹⁹ = 55193363 is a prime.

It is a super-3 number, since 3×55717651³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55717651.

It is not an unprimeable number, because it can be changed into a prime (55717657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29601 + ... + 31426.

It is an arithmetic number, because the mean of its divisors is an integer number (7689528).

Almost surely, 2^55717651 is an apocalyptic number.

55717651 is a deficient number, since it is larger than the sum of its proper divisors (5798573).

55717651 is a wasteful number, since it uses less digits than its factorization.

55717651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61121.

The product of its digits is 36750, while the sum is 37.

The square root of 55717651 is about 7464.4256979355. The cubic root of 55717651 is about 381.9421597687.

The spelling of 55717651 in words is "fifty-five million, seven hundred seventeen thousand, six hundred fifty-one".