53155555 has 8 divisors (see below), whose sum is σ = 64990512. Its totient is φ = 41721888.

The previous prime is 53155547. The next prime is 53155561. The reversal of 53155555 is 55555135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53155555 - 2³ = 53155547 is a prime.

It is a Duffinian number.

53155555 is a modest number, since divided by 5555 gives 5315 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 53155555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100029 + ... + 100558.

It is an arithmetic number, because the mean of its divisors is an integer number (8123814).

Almost surely, 2^53155555 is an apocalyptic number.

53155555 is a deficient number, since it is larger than the sum of its proper divisors (11834957).

53155555 is a wasteful number, since it uses less digits than its factorization.

53155555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200645.

The product of its digits is 46875, while the sum is 34.

The square root of 53155555 is about 7290.7856229627. The cubic root of 53155555 is about 375.9957064358.

The spelling of 53155555 in words is "fifty-three million, one hundred fifty-five thousand, five hundred fifty-five".