52782003 has 8 divisors (see below), whose sum is σ = 78195600. Its totient is φ = 35187984.

The previous prime is 52781999. The next prime is 52782031. The reversal of 52782003 is 30028725.

It is not a de Polignac number, because 52782003 - 2² = 52781999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1954889 = 52782003 / (5 + 2 + 7 + 8 + 2 + 0 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (52782043) 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, 977418 + ... + 977471.

It is an arithmetic number, because the mean of its divisors is an integer number (9774450).

Almost surely, 2^52782003 is an apocalyptic number.

52782003 is a deficient number, since it is larger than the sum of its proper divisors (25413597).

52782003 is a wasteful number, since it uses less digits than its factorization.

52782003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954898 (or 1954892 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52782003 is about 7265.1223664850. The cubic root of 52782003 is about 375.1128620290.

The spelling of 52782003 in words is "fifty-two million, seven hundred eighty-two thousand, three".