50155477 has 2 divisors, whose sum is σ = 50155478. Its totient is φ = 50155476.

The previous prime is 50155451. The next prime is 50155493. The reversal of 50155477 is 77455105.

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., 41809156 + 8346321 = 6466^2 + 2889^2 .

It is a cyclic number.

It is not a de Polignac number, because 50155477 - 2¹¹ = 50153429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50159477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077738 + 25077739.

It is an arithmetic number, because the mean of its divisors is an integer number (25077739).

Almost surely, 2^50155477 is an apocalyptic number.

It is an amenable number.

50155477 is a deficient number, since it is larger than the sum of its proper divisors (1).

50155477 is an equidigital number, since it uses as much as digits as its factorization.

50155477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 50155477 is about 7082.0531627488. The cubic root of 50155477 is about 368.7846095257.

The spelling of 50155477 in words is "fifty million, one hundred fifty-five thousand, four hundred seventy-seven".