49972043 has 4 divisors (see below), whose sum is σ = 54514968. Its totient is φ = 45429120.

The previous prime is 49972037. The next prime is 49972079. The reversal of 49972043 is 34027994.

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

It is not a de Polignac number, because 49972043 - 2⁶ = 49971979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49971988 and 49972006.

It is not an unprimeable number, because it can be changed into a prime (49977043) 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, 2271446 + ... + 2271467.

It is an arithmetic number, because the mean of its divisors is an integer number (13628742).

Almost surely, 2^49972043 is an apocalyptic number.

49972043 is a deficient number, since it is larger than the sum of its proper divisors (4542925).

49972043 is a wasteful number, since it uses less digits than its factorization.

49972043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542924.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 49972043 is about 7069.0906770249. The cubic root of 49972043 is about 368.3344740836.

Subtracting from 49972043 its reverse (34027994), we obtain a square (15944049 = 3993²).

The spelling of 49972043 in words is "forty-nine million, nine hundred seventy-two thousand, forty-three".