53623155 has 16 divisors (see below), whose sum is σ = 85906080. Its totient is φ = 28562688.

The previous prime is 53623093. The next prime is 53623159. The reversal of 53623155 is 55132635.

It is not a de Polignac number, because 53623155 - 2⁹ = 53622643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53623159) 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, 13431 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (5369130).

Almost surely, 2^53623155 is an apocalyptic number.

53623155 is a deficient number, since it is larger than the sum of its proper divisors (32282925).

53623155 is a wasteful number, since it uses less digits than its factorization.

53623155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550.

The product of its digits is 13500, while the sum is 30.

The square root of 53623155 is about 7322.7832823319. The cubic root of 53623155 is about 377.0950117835.

The spelling of 53623155 in words is "fifty-three million, six hundred twenty-three thousand, one hundred fifty-five".