49678957 has 8 divisors (see below), whose sum is σ = 51545600. Its totient is φ = 47828880.

The previous prime is 49678933. The next prime is 49678961. The reversal of 49678957 is 75987694.

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

It is a cyclic number.

It is not a de Polignac number, because 49678957 - 2¹¹ = 49676909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49678898 and 49678907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49678927) 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, 2143 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (6443200).

Almost surely, 2^49678957 is an apocalyptic number.

It is an amenable number.

49678957 is a deficient number, since it is larger than the sum of its proper divisors (1866643).

49678957 is a wasteful number, since it uses less digits than its factorization.

49678957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283.

The product of its digits is 3810240, while the sum is 55.

The square root of 49678957 is about 7048.3300859140. The cubic root of 49678957 is about 367.6129678776.

It can be divided in two parts, 4967 and 8957, that added together give a square (13924 = 118²).

The spelling of 49678957 in words is "forty-nine million, six hundred seventy-eight thousand, nine hundred fifty-seven".