49951047 has 4 divisors (see below), whose sum is σ = 66601400. Its totient is φ = 33300696.

The previous prime is 49951043. The next prime is 49951051. The reversal of 49951047 is 74015994.

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

It is an interprime number because it is at equal distance from previous prime (49951043) and next prime (49951051).

It is not a de Polignac number, because 49951047 - 2² = 49951043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49950996 and 49951014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49951043) 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, 8325172 + ... + 8325177.

It is an arithmetic number, because the mean of its divisors is an integer number (16650350).

Almost surely, 2^49951047 is an apocalyptic number.

49951047 is a deficient number, since it is larger than the sum of its proper divisors (16650353).

49951047 is a wasteful number, since it uses less digits than its factorization.

49951047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650352.

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

The square root of 49951047 is about 7067.6054643705. The cubic root of 49951047 is about 368.2828810094.

The spelling of 49951047 in words is "forty-nine million, nine hundred fifty-one thousand, forty-seven".