49156523 has 12 divisors (see below), whose sum is σ = 53556048. Its totient is φ = 45096480.

The previous prime is 49156517. The next prime is 49156561. The reversal of 49156523 is 32565194.

It is not a de Polignac number, because 49156523 - 2⁴ = 49156507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49156123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29786 + ... + 31392.

It is an arithmetic number, because the mean of its divisors is an integer number (4463004).

Almost surely, 2^49156523 is an apocalyptic number.

49156523 is a deficient number, since it is larger than the sum of its proper divisors (4399525).

49156523 is a wasteful number, since it uses less digits than its factorization.

49156523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1801 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 49156523 is about 7011.1713001466. The cubic root of 49156523 is about 366.3197932588.

The spelling of 49156523 in words is "forty-nine million, one hundred fifty-six thousand, five hundred twenty-three".