56730003 has 48 divisors (see below), whose sum is σ = 91355040. Its totient is φ = 31144960.

The previous prime is 56729999. The next prime is 56730007. The reversal of 56730003 is 30003765.

It is an interprime number because it is at equal distance from previous prime (56729999) and next prime (56730007).

It is not a de Polignac number, because 56730003 - 2² = 56729999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56730007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178801 + ... + 179117.

It is an arithmetic number, because the mean of its divisors is an integer number (1903230).

Almost surely, 2^56730003 is an apocalyptic number.

56730003 is a deficient number, since it is larger than the sum of its proper divisors (34625037).

56730003 is a wasteful number, since it uses less digits than its factorization.

56730003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 56730003 is about 7531.9322222123. The cubic root of 56730003 is about 384.2414998345.

Adding to 56730003 its reverse (30003765), we get a palindrome (86733768).

The spelling of 56730003 in words is "fifty-six million, seven hundred thirty thousand, three".