56020534 has 12 divisors (see below), whose sum is σ = 86831892. Its totient is φ = 27105780.

The previous prime is 56020513. The next prime is 56020561. The reversal of 56020534 is 43502065.

It is a junction number, because it is equal to n+sod(n) for n = 56020499 and 56020508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12652 + ... + 16495.

It is an arithmetic number, because the mean of its divisors is an integer number (7235991).

Almost surely, 2^56020534 is an apocalyptic number.

56020534 is a deficient number, since it is larger than the sum of its proper divisors (30811358).

56020534 is a wasteful number, since it uses less digits than its factorization.

56020534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29211 (or 29180 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 56020534 is about 7484.6866333869. The cubic root of 56020534 is about 382.6329928983.

Adding to 56020534 its reverse (43502065), we get a palindrome (99522599).

The spelling of 56020534 in words is "fifty-six million, twenty thousand, five hundred thirty-four".