53158443 has 12 divisors (see below), whose sum is σ = 76750200. Its totient is φ = 32712576.

The previous prime is 53158423. The next prime is 53158463. The reversal of 53158443 is 34485135.

It is an interprime number because it is at equal distance from previous prime (53158423) and next prime (53158463).

It is not a de Polignac number, because 53158443 - 2⁵ = 53158411 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53158423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51918 + ... + 52931.

It is an arithmetic number, because the mean of its divisors is an integer number (6395850).

Almost surely, 2^53158443 is an apocalyptic number.

53158443 is a deficient number, since it is larger than the sum of its proper divisors (23591757).

53158443 is a wasteful number, since it uses less digits than its factorization.

53158443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104878 (or 104865 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 53158443 is about 7290.9836784895. The cubic root of 53158443 is about 376.0025157331.

The spelling of 53158443 in words is "fifty-three million, one hundred fifty-eight thousand, four hundred forty-three".