503378057 has 8 divisors (see below), whose sum is σ = 619542336. Its totient is φ = 398277072.

The previous prime is 503378053. The next prime is 503378087. The reversal of 503378057 is 750873305.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 503378057 - 2² = 503378053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503378057.

It is not an unprimeable number, because it can be changed into a prime (503378053) 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 in 7 ways as a sum of consecutive naturals, for example, 2765723 + ... + 2765904.

It is an arithmetic number, because the mean of its divisors is an integer number (77442792).

Almost surely, 2^503378057 is an apocalyptic number.

It is an amenable number.

503378057 is a deficient number, since it is larger than the sum of its proper divisors (116164279).

503378057 is a wasteful number, since it uses less digits than its factorization.

503378057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531647.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 503378057 is about 22436.0882731371. The cubic root of 503378057 is about 795.4839593792.

The spelling of 503378057 in words is "five hundred three million, three hundred seventy-eight thousand, fifty-seven".