49015577 has 6 divisors (see below), whose sum is σ = 53076222. Its totient is φ = 45244992.

The previous prime is 49015559. The next prime is 49015609. The reversal of 49015577 is 77551094.

It can be written as a sum of positive squares in 3 ways, for example, as 309136 + 48706441 = 556^2 + 6979^2 .

It is not a de Polignac number, because 49015577 - 2¹⁴ = 48999193 is a prime.

It is a Duffinian number.

49015577 is a modest number, since divided by 5577 gives 4901 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 49015577.

It is not an unprimeable number, because it can be changed into a prime (49011577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144848 + ... + 145185.

It is an arithmetic number, because the mean of its divisors is an integer number (8846037).

Almost surely, 2^49015577 is an apocalyptic number.

It is an amenable number.

49015577 is a deficient number, since it is larger than the sum of its proper divisors (4060645).

49015577 is a wasteful number, since it uses less digits than its factorization.

49015577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290059 (or 290046 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 49015577 is about 7001.1125544445. The cubic root of 49015577 is about 365.9693430880.

The spelling of 49015577 in words is "forty-nine million, fifteen thousand, five hundred seventy-seven".