49854949 has 2 divisors, whose sum is σ = 49854950. Its totient is φ = 49854948.

The previous prime is 49854943. The next prime is 49854977. The reversal of 49854949 is 94945894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 756900 = 7007^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 49854949 - 2¹⁹ = 49330661 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 49854896 and 49854905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49854943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24927474 + 24927475.

It is an arithmetic number, because the mean of its divisors is an integer number (24927475).

Almost surely, 2^49854949 is an apocalyptic number.

It is an amenable number.

49854949 is a deficient number, since it is larger than the sum of its proper divisors (1).

49854949 is an equidigital number, since it uses as much as digits as its factorization.

49854949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 52.

The square root of 49854949 is about 7060.8037077942. The cubic root of 49854949 is about 368.0465565113.

The spelling of 49854949 in words is "forty-nine million, eight hundred fifty-four thousand, nine hundred forty-nine".