53403613478 has 8 divisors (see below), whose sum is σ = 82059211080. Its totient is φ = 26050543120.

The previous prime is 53403613447. The next prime is 53403613499. The reversal of 53403613478 is 87431630435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325631708 + ... + 325631871.

It is an arithmetic number, because the mean of its divisors is an integer number (10257401385).

Almost surely, 2^53403613478 is an apocalyptic number.

53403613478 is a deficient number, since it is larger than the sum of its proper divisors (28655597602).

53403613478 is a wasteful number, since it uses less digits than its factorization.

53403613478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651263622.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 53403613478 in words is "fifty-three billion, four hundred three million, six hundred thirteen thousand, four hundred seventy-eight".