53069378 has 4 divisors (see below), whose sum is σ = 79604070. Its totient is φ = 26534688.

The previous prime is 53069371. The next prime is 53069389. The reversal of 53069378 is 87396035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30724849 + 22344529 = 5543^2 + 4727^2 .

It is not an unprimeable number, because it can be changed into a prime (53069371) 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 as a sum of consecutive naturals, namely, 13267343 + ... + 13267346.

Almost surely, 2^53069378 is an apocalyptic number.

53069378 is a deficient number, since it is larger than the sum of its proper divisors (26534692).

53069378 is a wasteful number, since it uses less digits than its factorization.

53069378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26534691.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 53069378 is about 7284.8732315669. The cubic root of 53069378 is about 375.7924055881.

The spelling of 53069378 in words is "fifty-three million, sixty-nine thousand, three hundred seventy-eight".