49807951 has 2 divisors, whose sum is σ = 49807952. Its totient is φ = 49807950.

The previous prime is 49807939. The next prime is 49807963. The reversal of 49807951 is 15970894.

It is a balanced prime because it is at equal distance from previous prime (49807939) and next prime (49807963).

It is a cyclic number.

It is not a de Polignac number, because 49807951 - 2¹³ = 49799759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49807898 and 49807907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49807931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24903975 + 24903976.

It is an arithmetic number, because the mean of its divisors is an integer number (24903976).

Almost surely, 2^49807951 is an apocalyptic number.

49807951 is a deficient number, since it is larger than the sum of its proper divisors (1).

49807951 is an equidigital number, since it uses as much as digits as its factorization.

49807951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 49807951 is about 7057.4748316944. The cubic root of 49807951 is about 367.9308682954.

The spelling of 49807951 in words is "forty-nine million, eight hundred seven thousand, nine hundred fifty-one".