49077569 has 2 divisors, whose sum is σ = 49077570. Its totient is φ = 49077568.

The previous prime is 49077559. The next prime is 49077593. The reversal of 49077569 is 96577094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28944400 + 20133169 = 5380^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 49077569 - 2¹² = 49073473 is a prime.

It is a super-2 number, since 2×49077569² = 4817215557899522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49077559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24538784 + 24538785.

It is an arithmetic number, because the mean of its divisors is an integer number (24538785).

Almost surely, 2^49077569 is an apocalyptic number.

It is an amenable number.

49077569 is a deficient number, since it is larger than the sum of its proper divisors (1).

49077569 is an equidigital number, since it uses as much as digits as its factorization.

49077569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 49077569 is about 7005.5384518251. The cubic root of 49077569 is about 366.1235635430.

The spelling of 49077569 in words is "forty-nine million, seventy-seven thousand, five hundred sixty-nine".