49720982 has 4 divisors (see below), whose sum is σ = 74581476. Its totient is φ = 24860490.

The previous prime is 49720981. The next prime is 49721033. The reversal of 49720982 is 28902794.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49720981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12430244 + ... + 12430247.

It is an arithmetic number, because the mean of its divisors is an integer number (18645369).

Almost surely, 2^49720982 is an apocalyptic number.

49720982 is a deficient number, since it is larger than the sum of its proper divisors (24860494).

49720982 is a wasteful number, since it uses less digits than its factorization.

49720982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24860493.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 49720982 is about 7051.3106583103. The cubic root of 49720982 is about 367.7165971384.

The spelling of 49720982 in words is "forty-nine million, seven hundred twenty thousand, nine hundred eighty-two".