49143077 has 2 divisors, whose sum is σ = 49143078. Its totient is φ = 49143076.

The previous prime is 49143049. The next prime is 49143079. The reversal of 49143077 is 77034194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28793956 + 20349121 = 5366^2 + 4511^2 .

It is a cyclic number.

It is not a de Polignac number, because 49143077 - 2²² = 44948773 is a prime.

Together with 49143079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49143079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24571538 + 24571539.

It is an arithmetic number, because the mean of its divisors is an integer number (24571539).

Almost surely, 2^49143077 is an apocalyptic number.

It is an amenable number.

49143077 is a deficient number, since it is larger than the sum of its proper divisors (1).

49143077 is an equidigital number, since it uses as much as digits as its factorization.

49143077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 49143077 is about 7010.2123362991. The cubic root of 49143077 is about 366.2863898581.

The spelling of 49143077 in words is "forty-nine million, one hundred forty-three thousand, seventy-seven".