49751447 has 4 divisors (see below), whose sum is σ = 49940880. Its totient is φ = 49562016.

The previous prime is 49751441. The next prime is 49751477. The reversal of 49751447 is 74415794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74415794 = 2 ⋅37207897.

It is a cyclic number.

It is not a de Polignac number, because 49751447 - 2²⁴ = 32974231 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 (49751441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94322 + ... + 94847.

It is an arithmetic number, because the mean of its divisors is an integer number (12485220).

Almost surely, 2^49751447 is an apocalyptic number.

49751447 is a deficient number, since it is larger than the sum of its proper divisors (189433).

49751447 is a wasteful number, since it uses less digits than its factorization.

49751447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189432.

The product of its digits is 141120, while the sum is 41.

The square root of 49751447 is about 7053.4705641975. The cubic root of 49751447 is about 367.7916841437.

The spelling of 49751447 in words is "forty-nine million, seven hundred fifty-one thousand, four hundred forty-seven".