53455155 has 32 divisors (see below), whose sum is σ = 92461824. Its totient is φ = 26215296.

The previous prime is 53455153. The next prime is 53455163. The reversal of 53455155 is 55155435.

It is not a de Polignac number, because 53455155 - 2¹ = 53455153 is a prime.

It is a super-3 number, since 3×53455155³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53455153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90772 + ... + 91358.

It is an arithmetic number, because the mean of its divisors is an integer number (2889432).

Almost surely, 2^53455155 is an apocalyptic number.

53455155 is a deficient number, since it is larger than the sum of its proper divisors (39006669).

53455155 is a wasteful number, since it uses less digits than its factorization.

53455155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its digits is 37500, while the sum is 33.

The square root of 53455155 is about 7311.3032354020. The cubic root of 53455155 is about 376.7007900621.

The spelling of 53455155 in words is "fifty-three million, four hundred fifty-five thousand, one hundred fifty-five".