49992500 has 30 divisors (see below), whose sum is σ = 109329066. Its totient is φ = 19996000.

The previous prime is 49992497. The next prime is 49992511. The reversal of 49992500 is 529994.

It can be written as a sum of positive squares in 5 ways, for example, as 10201636 + 39790864 = 3194^2 + 6308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7499 + ... + 12498.

Almost surely, 2^49992500 is an apocalyptic number.

It is an amenable number.

49992500 is an abundant number, since it is smaller than the sum of its proper divisors (59336566).

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

49992500 is a wasteful number, since it uses less digits than its factorization.

49992500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20021 (or 20004 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 49992500 is about 7070.5374618907. The cubic root of 49992500 is about 368.3847287855.

It can be divided in two parts, 4999 and 2500, that multiplied together give a triangular number (12497500 = T₄₉₉₉).

The spelling of 49992500 in words is "forty-nine million, nine hundred ninety-two thousand, five hundred".