49478156 has 24 divisors (see below), whose sum is σ = 106569120. Its totient is φ = 19573632.

The previous prime is 49478153. The next prime is 49478171. The reversal of 49478156 is 65187494.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49478153) 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, 67601 + ... + 68328.

It is an arithmetic number, because the mean of its divisors is an integer number (4440380).

Almost surely, 2^49478156 is an apocalyptic number.

It is an amenable number.

49478156 is an abundant number, since it is smaller than the sum of its proper divisors (57090964).

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

49478156 is a wasteful number, since it uses less digits than its factorization.

49478156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135953 (or 135951 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 49478156 is about 7034.0710829505. The cubic root of 49478156 is about 367.1170051637.

The spelling of 49478156 in words is "forty-nine million, four hundred seventy-eight thousand, one hundred fifty-six".