49562291378 has 4 divisors (see below), whose sum is σ = 74343437070. Its totient is φ = 24781145688.

The previous prime is 49562291377. The next prime is 49562291411. The reversal of 49562291378 is 87319226594.

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

It can be written as a sum of positive squares in only one way, i.e., 44754671809 + 4807619569 = 211553^2 + 69337^2 .

It is not an unprimeable number, because it can be changed into a prime (49562291377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12390572843 + ... + 12390572846.

Almost surely, 2^49562291378 is an apocalyptic number.

49562291378 is a deficient number, since it is larger than the sum of its proper divisors (24781145692).

49562291378 is a wasteful number, since it uses less digits than its factorization.

49562291378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24781145691.

The product of its digits is 6531840, while the sum is 56.

The spelling of 49562291378 in words is "forty-nine billion, five hundred sixty-two million, two hundred ninety-one thousand, three hundred seventy-eight".