56503512 has 192 divisors, whose sum is σ = 180442080. Its totient is φ = 15814656.

The previous prime is 56503501. The next prime is 56503537. The reversal of 56503512 is 21530565.

56503512 is a `hidden beast` number, since 5 + 650 + 3 + 5 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 843303 + ... + 843369.

Almost surely, 2^56503512 is an apocalyptic number.

56503512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56503512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90221040).

56503512 is an abundant number, since it is smaller than the sum of its proper divisors (123938568).

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

56503512 is a wasteful number, since it uses less digits than its factorization.

56503512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 56503512 is about 7516.8818003212. The cubic root of 56503512 is about 383.7294643950.

The spelling of 56503512 in words is "fifty-six million, five hundred three thousand, five hundred twelve".