49947451 has 2 divisors, whose sum is σ = 49947452. Its totient is φ = 49947450.

The previous prime is 49947433. The next prime is 49947463. The reversal of 49947451 is 15474994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49947451 - 2²³ = 41558843 is a prime.

It is a super-2 number, since 2×49947451² = 4989495722794802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49947398 and 49947407.

It is not a weakly prime, because it can be changed into another prime (49944451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24973725 + 24973726.

It is an arithmetic number, because the mean of its divisors is an integer number (24973726).

Almost surely, 2^49947451 is an apocalyptic number.

49947451 is a deficient number, since it is larger than the sum of its proper divisors (1).

49947451 is an equidigital number, since it uses as much as digits as its factorization.

49947451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 49947451 is about 7067.3510596262. The cubic root of 49947451 is about 368.2740431765.

The spelling of 49947451 in words is "forty-nine million, nine hundred forty-seven thousand, four hundred fifty-one".