53423555 has 4 divisors (see below), whose sum is σ = 64108272. Its totient is φ = 42738840.

The previous prime is 53423551. The next prime is 53423567. The reversal of 53423555 is 55532435.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53423555 - 2² = 53423551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5342351 + ... + 5342360.

It is an arithmetic number, because the mean of its divisors is an integer number (16027068).

Almost surely, 2^53423555 is an apocalyptic number.

53423555 is a deficient number, since it is larger than the sum of its proper divisors (10684717).

53423555 is a wasteful number, since it uses less digits than its factorization.

53423555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684716.

The product of its digits is 45000, while the sum is 32.

The square root of 53423555 is about 7309.1418784971. The cubic root of 53423555 is about 376.6265465748.

The spelling of 53423555 in words is "fifty-three million, four hundred twenty-three thousand, five hundred fifty-five".