49644878 has 8 divisors (see below), whose sum is σ = 76051872. Its totient is φ = 24294256.

The previous prime is 49644877. The next prime is 49644883. The reversal of 49644878 is 87844694.

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

It is a super-2 number, since 2×49644878² = 4929227823269768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49644871) 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, 263975 + ... + 264162.

It is an arithmetic number, because the mean of its divisors is an integer number (9506484).

Almost surely, 2^49644878 is an apocalyptic number.

49644878 is a deficient number, since it is larger than the sum of its proper divisors (26406994).

49644878 is a wasteful number, since it uses less digits than its factorization.

49644878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528186.

The product of its digits is 1548288, while the sum is 50.

The square root of 49644878 is about 7045.9121481892. The cubic root of 49644878 is about 367.5288897029.

The spelling of 49644878 in words is "forty-nine million, six hundred forty-four thousand, eight hundred seventy-eight".