53535555 has 24 divisors (see below), whose sum is σ = 93721680. Its totient is φ = 28267200.

The previous prime is 53535541. The next prime is 53535563. The reversal of 53535555 is 55553535.

53535555 is a `hidden beast` number, since 53 + 53 + 5 + 555 = 666.

It is not a de Polignac number, because 53535555 - 2⁵ = 53535523 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1345 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (3905070).

Almost surely, 2^53535555 is an apocalyptic number.

53535555 is a deficient number, since it is larger than the sum of its proper divisors (40186125).

53535555 is a wasteful number, since it uses less digits than its factorization.

53535555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891 (or 11888 counting only the distinct ones).

The product of its digits is 140625, while the sum is 36.

The square root of 53535555 is about 7316.7995052482. The cubic root of 53535555 is about 376.8895562144.

The spelling of 53535555 in words is "fifty-three million, five hundred thirty-five thousand, five hundred fifty-five".