49678810 has 8 divisors (see below), whose sum is σ = 89421876. Its totient is φ = 19871520.

The previous prime is 49678793. The next prime is 49678813. The reversal of 49678810 is 1887694.

It can be written as a sum of positive squares in 2 ways, for example, as 48958009 + 720801 = 6997^2 + 849^2 .

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

It is a super-2 number, since 2×49678810² = 4935968326032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49678813) 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, 2483931 + ... + 2483950.

Almost surely, 2^49678810 is an apocalyptic number.

49678810 is a deficient number, since it is larger than the sum of its proper divisors (39743066).

49678810 is a wasteful number, since it uses less digits than its factorization.

49678810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967888.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 49678810 is about 7048.3196579043. The cubic root of 49678810 is about 367.6126052884.

The spelling of 49678810 in words is "forty-nine million, six hundred seventy-eight thousand, eight hundred ten".