55353669 has 16 divisors (see below), whose sum is σ = 88788480. Its totient is φ = 29965680.

The previous prime is 55353667. The next prime is 55353673. The reversal of 55353669 is 96635355.

It is not a de Polignac number, because 55353669 - 2¹ = 55353667 is a prime.

It is a super-2 number, since 2×55353669² = 6128057343523122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55353669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55353667) 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 15 ways as a sum of consecutive naturals, for example, 68967 + ... + 69764.

It is an arithmetic number, because the mean of its divisors is an integer number (5549280).

Almost surely, 2^55353669 is an apocalyptic number.

It is an amenable number.

55353669 is a deficient number, since it is larger than the sum of its proper divisors (33434811).

55353669 is a wasteful number, since it uses less digits than its factorization.

55353669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138760.

The product of its digits is 364500, while the sum is 42.

The square root of 55353669 is about 7440.0046370953. The cubic root of 55353669 is about 381.1086483427.

The spelling of 55353669 in words is "fifty-five million, three hundred fifty-three thousand, six hundred sixty-nine".