55369769 has 8 divisors (see below), whose sum is σ = 68147520. Its totient is φ = 43808976.

The previous prime is 55369759. The next prime is 55369771. The reversal of 55369769 is 96796355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55369769 is a prime.

It is a super-2 number, since 2×55369769² = 6131622638226722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55369709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304139 + ... + 304320.

It is an arithmetic number, because the mean of its divisors is an integer number (8518440).

Almost surely, 2^55369769 is an apocalyptic number.

It is an amenable number.

55369769 is a deficient number, since it is larger than the sum of its proper divisors (12777751).

55369769 is a wasteful number, since it uses less digits than its factorization.

55369769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608479.

The product of its digits is 1530900, while the sum is 50.

The square root of 55369769 is about 7441.0865470037. The cubic root of 55369769 is about 381.1455941288.

The spelling of 55369769 in words is "fifty-five million, three hundred sixty-nine thousand, seven hundred sixty-nine".