49651577 has 6 divisors (see below), whose sum is σ = 52603038. Its totient is φ = 46703552.

The previous prime is 49651573. The next prime is 49651583. The reversal of 49651577 is 77515694.

It can be written as a sum of positive squares in 3 ways, for example, as 2027776 + 47623801 = 1424^2 + 6901^2 .

It is not a de Polignac number, because 49651577 - 2² = 49651573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49651573) 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, 28199 + ... + 29907.

It is an arithmetic number, because the mean of its divisors is an integer number (8767173).

Almost surely, 2^49651577 is an apocalyptic number.

It is an amenable number.

49651577 is a deficient number, since it is larger than the sum of its proper divisors (2951461).

49651577 is an frugal number, since it uses more digits than its factorization.

49651577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 1726 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The square root of 49651577 is about 7046.3875141806. The cubic root of 49651577 is about 367.5454202118.

The spelling of 49651577 in words is "forty-nine million, six hundred fifty-one thousand, five hundred seventy-seven".