49856929 has 2 divisors, whose sum is σ = 49856930. Its totient is φ = 49856928.

The previous prime is 49856923. The next prime is 49857001. The reversal of 49856929 is 92965894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46949904 + 2907025 = 6852^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 49856929 - 2¹¹ = 49854881 is a prime.

It is a super-2 number, since 2×49856929² = 4971426738622082, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (49856923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24928464 + 24928465.

It is an arithmetic number, because the mean of its divisors is an integer number (24928465).

Almost surely, 2^49856929 is an apocalyptic number.

It is an amenable number.

49856929 is a deficient number, since it is larger than the sum of its proper divisors (1).

49856929 is an equidigital number, since it uses as much as digits as its factorization.

49856929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 52.

The square root of 49856929 is about 7060.9439170694. The cubic root of 49856929 is about 368.0514287962.

The spelling of 49856929 in words is "forty-nine million, eight hundred fifty-six thousand, nine hundred twenty-nine".