49378542 has 16 divisors (see below), whose sum is σ = 98918400. Its totient is φ = 16432632.

The previous prime is 49378507. The next prime is 49378543. The reversal of 49378542 is 24587394.

It is a junction number, because it is equal to n+sod(n) for n = 49378494 and 49378503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49378543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2542 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (6182400).

Almost surely, 2^49378542 is an apocalyptic number.

49378542 is an abundant number, since it is smaller than the sum of its proper divisors (49539858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49378542 is a wasteful number, since it uses less digits than its factorization.

49378542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447.

The product of its digits is 241920, while the sum is 42.

The square root of 49378542 is about 7026.9866941670. The cubic root of 49378542 is about 366.8704683359.

The spelling of 49378542 in words is "forty-nine million, three hundred seventy-eight thousand, five hundred forty-two".