49997776 has 10 divisors (see below), whose sum is σ = 96870722. Its totient is φ = 24998880.

The previous prime is 49997771. The next prime is 49997803. The reversal of 49997776 is 67779994.

It can be written as a sum of positive squares in only one way, i.e., 37210000 + 12787776 = 6100^2 + 3576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49997776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49997771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562415 + ... + 1562446.

Almost surely, 2^49997776 is an apocalyptic number.

It is an amenable number.

49997776 is a deficient number, since it is larger than the sum of its proper divisors (46872946).

49997776 is a wasteful number, since it uses less digits than its factorization.

49997776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124869 (or 3124863 counting only the distinct ones).

The product of its digits is 6001128, while the sum is 58.

The square root of 49997776 is about 7070.9105495686. The cubic root of 49997776 is about 368.3976875923.

The spelling of 49997776 in words is "forty-nine million, nine hundred ninety-seven thousand, seven hundred seventy-six".