56250012 has 48 divisors (see below), whose sum is σ = 161541632. Its totient is φ = 14834880.

The previous prime is 56250011. The next prime is 56250017. The reversal of 56250012 is 21005265.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56250011) 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, 24664 + ... + 26847.

Almost surely, 2^56250012 is an apocalyptic number.

56250012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56250012 is an abundant number, since it is smaller than the sum of its proper divisors (105291620).

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

56250012 is a wasteful number, since it uses less digits than its factorization.

56250012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51538 (or 51536 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 56250012 is about 7500.0008000000. Note that the first 3 decimals coincide. The cubic root of 56250012 is about 383.1547434433.

Adding to 56250012 its reverse (21005265), we get a palindrome (77255277).

The spelling of 56250012 in words is "fifty-six million, two hundred fifty thousand, twelve".