49966526 has 4 divisors (see below), whose sum is σ = 74949792. Its totient is φ = 24983262.

The previous prime is 49966517. The next prime is 49966531. The reversal of 49966526 is 62566994.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12491630 + ... + 12491633.

It is an arithmetic number, because the mean of its divisors is an integer number (18737448).

Almost surely, 2^49966526 is an apocalyptic number.

49966526 is a deficient number, since it is larger than the sum of its proper divisors (24983266).

49966526 is a wasteful number, since it uses less digits than its factorization.

49966526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24983265.

The product of its digits is 699840, while the sum is 47.

The square root of 49966526 is about 7068.7004463338. The cubic root of 49966526 is about 368.3209186637.

The spelling of 49966526 in words is "forty-nine million, nine hundred sixty-six thousand, five hundred twenty-six".