49947461 has 4 divisors (see below), whose sum is σ = 49987500. Its totient is φ = 49907424.

The previous prime is 49947451. The next prime is 49947463. The reversal of 49947461 is 16474994.

49947461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16474994 = 2 ⋅8237497.

It can be written as a sum of positive squares in 2 ways, for example, as 33292900 + 16654561 = 5770^2 + 4081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49947461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49947463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18086 + ... + 20663.

It is an arithmetic number, because the mean of its divisors is an integer number (12496875).

Almost surely, 2^49947461 is an apocalyptic number.

It is an amenable number.

49947461 is a deficient number, since it is larger than the sum of its proper divisors (40039).

49947461 is a wasteful number, since it uses less digits than its factorization.

49947461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40038.

The product of its digits is 217728, while the sum is 44.

The square root of 49947461 is about 7067.3517671048. The cubic root of 49947461 is about 368.2740677539.

The spelling of 49947461 in words is "forty-nine million, nine hundred forty-seven thousand, four hundred sixty-one".