50780157061 has 2 divisors, whose sum is σ = 50780157062. Its totient is φ = 50780157060.

The previous prime is 50780157053. The next prime is 50780157101. The reversal of 50780157061 is 16075108705.

It is an a-pointer prime, because the next prime (50780157101) can be obtained adding 50780157061 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49290660225 + 1489496836 = 222015^2 + 38594^2 .

It is a cyclic number.

It is not a de Polignac number, because 50780157061 - 2³ = 50780157053 is a prime.

It is a super-2 number, since 2×50780157061² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50780155061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25390078530 + 25390078531.

It is an arithmetic number, because the mean of its divisors is an integer number (25390078531).

Almost surely, 2^50780157061 is an apocalyptic number.

It is an amenable number.

50780157061 is a deficient number, since it is larger than the sum of its proper divisors (1).

50780157061 is an equidigital number, since it uses as much as digits as its factorization.

50780157061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 50780157061 in words is "fifty billion, seven hundred eighty million, one hundred fifty-seven thousand, sixty-one".