53178342 has 32 divisors (see below), whose sum is σ = 122438400. Its totient is φ = 15082848.

The previous prime is 53178259. The next prime is 53178371. The reversal of 53178342 is 24387135.

It is a super-3 number, since 3×53178342³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (3826200).

Almost surely, 2^53178342 is an apocalyptic number.

53178342 is an abundant number, since it is smaller than the sum of its proper divisors (69260058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53178342 is a wasteful number, since it uses less digits than its factorization.

53178342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260.

The product of its digits is 20160, while the sum is 33.

The square root of 53178342 is about 7292.3481814845. The cubic root of 53178342 is about 376.0494266924.

The spelling of 53178342 in words is "fifty-three million, one hundred seventy-eight thousand, three hundred forty-two".