49767540 has 48 divisors (see below), whose sum is σ = 140719488. Its totient is φ = 13140864.

The previous prime is 49767491. The next prime is 49767541. The reversal of 49767540 is 4576794.

It is a junction number, because it is equal to n+sod(n) for n = 49767492 and 49767501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49767541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2154 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (2931656).

Almost surely, 2^49767540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49767540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70359744).

49767540 is an abundant number, since it is smaller than the sum of its proper divisors (90951948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49767540 is a wasteful number, since it uses less digits than its factorization.

49767540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8168 (or 8166 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 49767540 is about 7054.6112578937. The cubic root of 49767540 is about 367.8313361461.

The spelling of 49767540 in words is "forty-nine million, seven hundred sixty-seven thousand, five hundred forty".