56018356 has 6 divisors (see below), whose sum is σ = 98032130. Its totient is φ = 28009176.

The previous prime is 56018353. The next prime is 56018359. The reversal of 56018356 is 65381065.

It is an interprime number because it is at equal distance from previous prime (56018353) and next prime (56018359).

It can be written as a sum of positive squares in only one way, i.e., 56010256 + 8100 = 7484^2 + 90^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56018353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7002291 + ... + 7002298.

Almost surely, 2^56018356 is an apocalyptic number.

It is an amenable number.

56018356 is a deficient number, since it is larger than the sum of its proper divisors (42013774).

56018356 is a wasteful number, since it uses less digits than its factorization.

56018356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14004593 (or 14004591 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 56018356 is about 7484.5411348993. The cubic root of 56018356 is about 382.6280340889.

The spelling of 56018356 in words is "fifty-six million, eighteen thousand, three hundred fifty-six".