49555451 has 4 divisors (see below), whose sum is σ = 54060504. Its totient is φ = 45050400.

The previous prime is 49555427. The next prime is 49555481. The reversal of 49555451 is 15455594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49555451 - 2¹⁴ = 49539067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49555421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252510 + ... + 2252531.

It is an arithmetic number, because the mean of its divisors is an integer number (13515126).

Almost surely, 2^49555451 is an apocalyptic number.

49555451 is a deficient number, since it is larger than the sum of its proper divisors (4505053).

49555451 is a wasteful number, since it uses less digits than its factorization.

49555451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505052.

The product of its digits is 90000, while the sum is 38.

The square root of 49555451 is about 7039.5632677035. The cubic root of 49555451 is about 367.3080763184.

The spelling of 49555451 in words is "forty-nine million, five hundred fifty-five thousand, four hundred fifty-one".