50502555553 has 2 divisors, whose sum is σ = 50502555554. Its totient is φ = 50502555552.

The previous prime is 50502555547. The next prime is 50502555581. The reversal of 50502555553 is 35555520505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48667889664 + 1834665889 = 220608^2 + 42833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50502555553 is a prime.

It is a super-2 number, since 2×50502555553² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50502555953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25251277776 + 25251277777.

It is an arithmetic number, because the mean of its divisors is an integer number (25251277777).

Almost surely, 2^50502555553 is an apocalyptic number.

It is an amenable number.

50502555553 is a deficient number, since it is larger than the sum of its proper divisors (1).

50502555553 is an equidigital number, since it uses as much as digits as its factorization.

50502555553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 50502555553 in words is "fifty billion, five hundred two million, five hundred fifty-five thousand, five hundred fifty-three".