56350520 has 16 divisors (see below), whose sum is σ = 126788760. Its totient is φ = 22540192.

The previous prime is 56350517. The next prime is 56350531. The reversal of 56350520 is 2505365.

It is a super-2 number, since 2×56350520² = 6350762208540800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56350520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704342 + ... + 704421.

Almost surely, 2^56350520 is an apocalyptic number.

It is an amenable number.

56350520 is an abundant number, since it is smaller than the sum of its proper divisors (70438240).

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

56350520 is a wasteful number, since it uses less digits than its factorization.

56350520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408774 (or 1408770 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 56350520 is about 7506.6983421475. The cubic root of 56350520 is about 383.3828157085.

Adding to 56350520 its reverse (2505365), we get a palindrome (58855885).

The spelling of 56350520 in words is "fifty-six million, three hundred fifty thousand, five hundred twenty".