49978134 has 20 divisors (see below), whose sum is σ = 111988404. Its totient is φ = 16659324.

The previous prime is 49978127. The next prime is 49978141. The reversal of 49978134 is 43187994.

It is an interprime number because it is at equal distance from previous prime (49978127) and next prime (49978141).

It is a self number, because there is not a number n which added to its sum of digits gives 49978134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 154092 + ... + 154415.

Almost surely, 2^49978134 is an apocalyptic number.

49978134 is an abundant number, since it is smaller than the sum of its proper divisors (62010270).

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

49978134 is a wasteful number, since it uses less digits than its factorization.

49978134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308521 (or 308512 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 49978134 is about 7069.5214830991. The cubic root of 49978134 is about 368.3494386785.

It can be divided in two parts, 4997 and 8134, that added together give a palindrome (13131).

The spelling of 49978134 in words is "forty-nine million, nine hundred seventy-eight thousand, one hundred thirty-four".