49931656 has 8 divisors (see below), whose sum is σ = 93621870. Its totient is φ = 24965824.

The previous prime is 49931653. The next prime is 49931659. The reversal of 49931656 is 65613994.

It is an interprime number because it is at equal distance from previous prime (49931653) and next prime (49931659).

It can be written as a sum of positive squares in only one way, i.e., 41809156 + 8122500 = 6466^2 + 2850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (49931653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120721 + ... + 3120736.

Almost surely, 2^49931656 is an apocalyptic number.

It is an amenable number.

49931656 is a deficient number, since it is larger than the sum of its proper divisors (43690214).

49931656 is a wasteful number, since it uses less digits than its factorization.

49931656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241463 (or 6241459 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 49931656 is about 7066.2335087372. The cubic root of 49931656 is about 368.2352190279.

The spelling of 49931656 in words is "forty-nine million, nine hundred thirty-one thousand, six hundred fifty-six".