49537549 has 4 divisors (see below), whose sum is σ = 49678236. Its totient is φ = 49396864.

The previous prime is 49537547. The next prime is 49537573. The reversal of 49537549 is 94573594.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10562500 + 38975049 = 3250^2 + 6243^2 .

It is a cyclic number.

It is not a de Polignac number, because 49537549 - 2¹ = 49537547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49537499 and 49537508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49537547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69814 + ... + 70519.

It is an arithmetic number, because the mean of its divisors is an integer number (12419559).

Almost surely, 2^49537549 is an apocalyptic number.

It is an amenable number.

49537549 is a deficient number, since it is larger than the sum of its proper divisors (140687).

49537549 is a wasteful number, since it uses less digits than its factorization.

49537549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140686.

The product of its digits is 680400, while the sum is 46.

The square root of 49537549 is about 7038.2916251034. The cubic root of 49537549 is about 367.2638407464.

It can be divided in two parts, 49537 and 549, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 49537549 in words is "forty-nine million, five hundred thirty-seven thousand, five hundred forty-nine".