55766769 has 8 divisors (see below), whose sum is σ = 75937920. Its totient is φ = 36386736.

The previous prime is 55766719. The next prime is 55766779. The reversal of 55766769 is 96766755.

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

It is not a de Polignac number, because 55766769 - 2¹¹ = 55764721 is a prime.

It is a super-2 number, since 2×55766769² = 6219865049398722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55766719) 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, 197614 + ... + 197895.

It is an arithmetic number, because the mean of its divisors is an integer number (9492240).

Almost surely, 2^55766769 is an apocalyptic number.

It is an amenable number.

55766769 is a deficient number, since it is larger than the sum of its proper divisors (20171151).

55766769 is a wasteful number, since it uses less digits than its factorization.

55766769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395559.

The product of its digits is 2381400, while the sum is 51.

The square root of 55766769 is about 7467.7151124022. The cubic root of 55766769 is about 382.0543607478.

The spelling of 55766769 in words is "fifty-five million, seven hundred sixty-six thousand, seven hundred sixty-nine".