55375523 has 4 divisors (see below), whose sum is σ = 63286320. Its totient is φ = 47464728.

The previous prime is 55375499. The next prime is 55375549. The reversal of 55375523 is 32557355.

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

It is a cyclic number.

It is not a de Polignac number, because 55375523 - 2¹⁰ = 55374499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55375553) 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, 3955388 + ... + 3955401.

It is an arithmetic number, because the mean of its divisors is an integer number (15821580).

Almost surely, 2^55375523 is an apocalyptic number.

55375523 is a deficient number, since it is larger than the sum of its proper divisors (7910797).

55375523 is an equidigital number, since it uses as much as digits as its factorization.

55375523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910796.

The product of its digits is 78750, while the sum is 35.

The square root of 55375523 is about 7441.4731740429. The cubic root of 55375523 is about 381.1587964943.

The spelling of 55375523 in words is "fifty-five million, three hundred seventy-five thousand, five hundred twenty-three".