49907451 has 16 divisors (see below), whose sum is σ = 73825920. Its totient is φ = 29733120.

The previous prime is 49907443. The next prime is 49907491. The reversal of 49907451 is 15470994.

It is not a de Polignac number, because 49907451 - 2³ = 49907443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49907411) 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 15 ways as a sum of consecutive naturals, for example, 10870 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (4614120).

Almost surely, 2^49907451 is an apocalyptic number.

49907451 is a deficient number, since it is larger than the sum of its proper divisors (23918469).

49907451 is a wasteful number, since it uses less digits than its factorization.

49907451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25706.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 49907451 is about 7064.5205782134. The cubic root of 49907451 is about 368.1757071882.

The spelling of 49907451 in words is "forty-nine million, nine hundred seven thousand, four hundred fifty-one".