49996142 has 8 divisors (see below), whose sum is σ = 85707696. Its totient is φ = 21426912.

The previous prime is 49996123. The next prime is 49996157. The reversal of 49996142 is 24169994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×49996142² = 4999228429768328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49996093 and 49996102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785563 + ... + 1785590.

It is an arithmetic number, because the mean of its divisors is an integer number (10713462).

Almost surely, 2^49996142 is an apocalyptic number.

49996142 is a deficient number, since it is larger than the sum of its proper divisors (35711554).

49996142 is a wasteful number, since it uses less digits than its factorization.

49996142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571162.

The product of its digits is 139968, while the sum is 44.

The square root of 49996142 is about 7070.7950048067. The cubic root of 49996142 is about 368.3936742913.

The spelling of 49996142 in words is "forty-nine million, nine hundred ninety-six thousand, one hundred forty-two".