53500155 has 16 divisors (see below), whose sum is σ = 86035200. Its totient is φ = 28388448.

The previous prime is 53500129. The next prime is 53500163. The reversal of 53500155 is 55100535.

It is not a de Polignac number, because 53500155 - 2⁵ = 53500123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5977 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (5377200).

Almost surely, 2^53500155 is an apocalyptic number.

53500155 is a deficient number, since it is larger than the sum of its proper divisors (32535045).

53500155 is a wasteful number, since it uses less digits than its factorization.

53500155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18130.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 53500155 is about 7314.3800147381. The cubic root of 53500155 is about 376.8064660630.

The spelling of 53500155 in words is "fifty-three million, five hundred thousand, one hundred fifty-five".