50554997 has 2 divisors, whose sum is σ = 50554998. Its totient is φ = 50554996.

The previous prime is 50554961. The next prime is 50555003. The reversal of 50554997 is 79945505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 8031556 = 6521^2 + 2834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50554997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50554297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277498 + 25277499.

It is an arithmetic number, because the mean of its divisors is an integer number (25277499).

Almost surely, 2^50554997 is an apocalyptic number.

It is an amenable number.

50554997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50554997 is an equidigital number, since it uses as much as digits as its factorization.

50554997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 50554997 is about 7110.2037242262. The cubic root of 50554997 is about 369.7612216383.

The spelling of 50554997 in words is "fifty million, five hundred fifty-four thousand, nine hundred ninety-seven".