49057669 has 2 divisors, whose sum is σ = 49057670. Its totient is φ = 49057668.

The previous prime is 49057667. The next prime is 49057693. The reversal of 49057669 is 96675094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 407044 = 6975^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 49057669 - 2¹ = 49057667 is a prime.

It is a super-2 number, since 2×49057669² = 4813309775427122, which contains 22 as substring.

Together with 49057667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49057661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24528834 + 24528835.

It is an arithmetic number, because the mean of its divisors is an integer number (24528835).

Almost surely, 2^49057669 is an apocalyptic number.

It is an amenable number.

49057669 is a deficient number, since it is larger than the sum of its proper divisors (1).

49057669 is an equidigital number, since it uses as much as digits as its factorization.

49057669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 49057669 is about 7004.1180030037. The cubic root of 49057669 is about 366.0740715243.

The spelling of 49057669 in words is "forty-nine million, fifty-seven thousand, six hundred sixty-nine".