53000155 has 16 divisors (see below), whose sum is σ = 69620544. Its totient is φ = 38494080.

The previous prime is 53000153. The next prime is 53000179. The reversal of 53000155 is 55100035.

It is not a de Polignac number, because 53000155 - 2¹ = 53000153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53000153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2719 + ... + 10648.

It is an arithmetic number, because the mean of its divisors is an integer number (4351284).

Almost surely, 2^53000155 is an apocalyptic number.

53000155 is a deficient number, since it is larger than the sum of its proper divisors (16620389).

53000155 is a wasteful number, since it uses less digits than its factorization.

53000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 53000155 is about 7280.1205347164. The cubic root of 53000155 is about 375.6289416006.

The spelling of 53000155 in words is "fifty-three million, one hundred fifty-five", and thus it is an aban number.