53242178 has 12 divisors (see below), whose sum is σ = 87783990. Its totient is φ = 24200880.

The previous prime is 53242177. The next prime is 53242183. The reversal of 53242178 is 87124235.

It can be written as a sum of positive squares in only one way, i.e., 50027329 + 3214849 = 7073^2 + 1793^2 .

It is not an unprimeable number, because it can be changed into a prime (53242177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109763 + ... + 110246.

Almost surely, 2^53242178 is an apocalyptic number.

53242178 is a deficient number, since it is larger than the sum of its proper divisors (34541812).

53242178 is a wasteful number, since it uses less digits than its factorization.

53242178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220033 (or 220022 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 53242178 is about 7296.7237853711. The cubic root of 53242178 is about 376.1998381268.

The spelling of 53242178 in words is "fifty-three million, two hundred forty-two thousand, one hundred seventy-eight".