55404769 has 32 divisors (see below), whose sum is σ = 69341184. Its totient is φ = 43243200.

The previous prime is 55404763. The next prime is 55404773. The reversal of 55404769 is 96740455.

55404769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55404769 - 2¹³ = 55396577 is a prime.

It is a super-2 number, since 2×55404769² = 6139376855886722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55404763) 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 31 ways as a sum of consecutive naturals, for example, 366844 + ... + 366994.

It is an arithmetic number, because the mean of its divisors is an integer number (2166912).

Almost surely, 2^55404769 is an apocalyptic number.

It is an amenable number.

55404769 is a deficient number, since it is larger than the sum of its proper divisors (13936415).

55404769 is a wasteful number, since it uses less digits than its factorization.

55404769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 55404769 is about 7443.4379825454. The cubic root of 55404769 is about 381.2258863545.

The spelling of 55404769 in words is "fifty-five million, four hundred four thousand, seven hundred sixty-nine".