53178189948438 has 32 divisors (see below), whose sum is σ = 106853053054176. Its totient is φ = 17643341733888.

The previous prime is 53178189948407. The next prime is 53178189948467. The reversal of 53178189948438 is 83484998187135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3443731 + ... + 10872702.

It is an arithmetic number, because the mean of its divisors is an integer number (3339157907943).

Almost surely, 2^{53178189948438} is an apocalyptic number.

53178189948438 is an abundant number, since it is smaller than the sum of its proper divisors (53674863105738).

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

53178189948438 is a wasteful number, since it uses less digits than its factorization.

53178189948438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14319328.

The product of its digits is 1672151040, while the sum is 78.

The spelling of 53178189948438 in words is "fifty-three trillion, one hundred seventy-eight billion, one hundred eighty-nine million, nine hundred forty-eight thousand, four hundred thirty-eight".