49356451 has 2 divisors, whose sum is σ = 49356452. Its totient is φ = 49356450.

The previous prime is 49356449. The next prime is 49356481. The reversal of 49356451 is 15465394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49356451 - 2¹ = 49356449 is a prime.

Together with 49356449, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49356451.

It is not a weakly prime, because it can be changed into another prime (49356401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24678225 + 24678226.

It is an arithmetic number, because the mean of its divisors is an integer number (24678226).

Almost surely, 2^49356451 is an apocalyptic number.

49356451 is a deficient number, since it is larger than the sum of its proper divisors (1).

49356451 is an equidigital number, since it uses as much as digits as its factorization.

49356451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 49356451 is about 7025.4146496844. The cubic root of 49356451 is about 366.8157499361.

The spelling of 49356451 in words is "forty-nine million, three hundred fifty-six thousand, four hundred fifty-one".