50553787 has 2 divisors, whose sum is σ = 50553788. Its totient is φ = 50553786.

The previous prime is 50553773. The next prime is 50553821. The reversal of 50553787 is 78735505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50553787 is a prime.

It is not a weakly prime, because it can be changed into another prime (50553187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25276893 + 25276894.

It is an arithmetic number, because the mean of its divisors is an integer number (25276894).

Almost surely, 2^50553787 is an apocalyptic number.

50553787 is a deficient number, since it is larger than the sum of its proper divisors (1).

50553787 is an equidigital number, since it uses as much as digits as its factorization.

50553787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 50553787 is about 7110.1186347346. The cubic root of 50553787 is about 369.7582716190.

The spelling of 50553787 in words is "fifty million, five hundred fifty-three thousand, seven hundred eighty-seven".