56130004 has 48 divisors (see below), whose sum is σ = 116242560. Its totient is φ = 23218560.

The previous prime is 56130001. The next prime is 56130017. The reversal of 56130004 is 40003165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56130001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100494 + ... + 101050.

It is an arithmetic number, because the mean of its divisors is an integer number (2421720).

Almost surely, 2^56130004 is an apocalyptic number.

It is an amenable number.

56130004 is an abundant number, since it is smaller than the sum of its proper divisors (60112556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56130004 is a wasteful number, since it uses less digits than its factorization.

56130004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 56130004 is about 7491.9959957277. The cubic root of 56130004 is about 382.8820657327.

Adding to 56130004 its reverse (40003165), we get a palindrome (96133169).

The spelling of 56130004 in words is "fifty-six million, one hundred thirty thousand, four".