50870731 has 2 divisors, whose sum is σ = 50870732. Its totient is φ = 50870730.

The previous prime is 50870717. The next prime is 50870737. The reversal of 50870731 is 13707805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50870731 - 2¹¹ = 50868683 is a prime.

It is a super-2 number, since 2×50870731² = 5175662544948722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50870693 and 50870702.

It is not a weakly prime, because it can be changed into another prime (50870737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25435365 + 25435366.

It is an arithmetic number, because the mean of its divisors is an integer number (25435366).

Almost surely, 2^50870731 is an apocalyptic number.

50870731 is a deficient number, since it is larger than the sum of its proper divisors (1).

50870731 is an equidigital number, since it uses as much as digits as its factorization.

50870731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 50870731 is about 7132.3720458204. The cubic root of 50870731 is about 370.5293882931.

The spelling of 50870731 in words is "fifty million, eight hundred seventy thousand, seven hundred thirty-one".