50566556 has 6 divisors (see below), whose sum is σ = 88491480. Its totient is φ = 25283276.

The previous prime is 50566553. The next prime is 50566561. The reversal of 50566556 is 65566505.

It is a happy number.

It is a super-2 number, since 2×50566556² = 5113953171402272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50566553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320816 + ... + 6320823.

It is an arithmetic number, because the mean of its divisors is an integer number (14748580).

Almost surely, 2^50566556 is an apocalyptic number.

It is an amenable number.

50566556 is a deficient number, since it is larger than the sum of its proper divisors (37924924).

50566556 is a wasteful number, since it uses less digits than its factorization.

50566556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12641643 (or 12641641 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 50566556 is about 7111.0165236765. The cubic root of 50566556 is about 369.7894004832.

The spelling of 50566556 in words is "fifty million, five hundred sixty-six thousand, five hundred fifty-six".