49577140 has 24 divisors (see below), whose sum is σ = 105821352. Its totient is φ = 19505280.

The previous prime is 49577107. The next prime is 49577141. The reversal of 49577140 is 4177594.

49577140 = 1811² + 1812² + ... + 1825².

It can be written as a sum of positive squares in 4 ways, for example, as 5779216 + 43797924 = 2404^2 + 6618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49577140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49577141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19099 + ... + 21538.

It is an arithmetic number, because the mean of its divisors is an integer number (4409223).

Almost surely, 2^49577140 is an apocalyptic number.

It is an amenable number.

49577140 is an abundant number, since it is smaller than the sum of its proper divisors (56244212).

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

49577140 is a wasteful number, since it uses less digits than its factorization.

49577140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40707 (or 40705 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 49577140 is about 7041.1036066799. The cubic root of 49577140 is about 367.3616552402.

The spelling of 49577140 in words is "forty-nine million, five hundred seventy-seven thousand, one hundred forty".