49779528 has 32 divisors (see below), whose sum is σ = 124891200. Its totient is φ = 16534208.

The previous prime is 49779523. The next prime is 49779547. The reversal of 49779528 is 82597794.

It is not an unprimeable number, because it can be changed into a prime (49779523) 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, 3493 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (3902850).

Almost surely, 2^49779528 is an apocalyptic number.

It is an amenable number.

49779528 is an abundant number, since it is smaller than the sum of its proper divisors (75111672).

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

49779528 is a wasteful number, since it uses less digits than its factorization.

49779528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381 (or 7377 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 49779528 is about 7055.4608637565. The cubic root of 49779528 is about 367.8608681667.

The spelling of 49779528 in words is "forty-nine million, seven hundred seventy-nine thousand, five hundred twenty-eight".