49515071 has 2 divisors, whose sum is σ = 49515072. Its totient is φ = 49515070.

The previous prime is 49515049. The next prime is 49515107. The reversal of 49515071 is 17051594.

Together with next prime (49515107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49515071 is a prime.

It is a super-2 number, since 2×49515071² = 4903484512270082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49515041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24757535 + 24757536.

It is an arithmetic number, because the mean of its divisors is an integer number (24757536).

Almost surely, 2^49515071 is an apocalyptic number.

49515071 is a deficient number, since it is larger than the sum of its proper divisors (1).

49515071 is an equidigital number, since it uses as much as digits as its factorization.

49515071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 49515071 is about 7036.6946075555. The cubic root of 49515071 is about 367.2082828532.

The spelling of 49515071 in words is "forty-nine million, five hundred fifteen thousand, seventy-one".