53445194 has 16 divisors (see below), whose sum is σ = 88512480. Its totient is φ = 23999760.

The previous prime is 53445191. The next prime is 53445199. The reversal of 53445194 is 49154435.

It is not an unprimeable number, because it can be changed into a prime (53445191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12809 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (5532030).

Almost surely, 2^53445194 is an apocalyptic number.

53445194 is a deficient number, since it is larger than the sum of its proper divisors (35067286).

53445194 is a wasteful number, since it uses less digits than its factorization.

53445194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29365.

The product of its digits is 43200, while the sum is 35.

The square root of 53445194 is about 7310.6219981613. The cubic root of 53445194 is about 376.6773900759.

The spelling of 53445194 in words is "fifty-three million, four hundred forty-five thousand, one hundred ninety-four".