49156387 has 16 divisors (see below), whose sum is σ = 58802112. Its totient is φ = 40210560.

The previous prime is 49156369. The next prime is 49156403. The reversal of 49156387 is 78365194.

It is a cyclic number.

It is not a de Polignac number, because 49156387 - 2¹⁹ = 48632099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49156187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11937 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (3675132).

Almost surely, 2^49156387 is an apocalyptic number.

49156387 is a deficient number, since it is larger than the sum of its proper divisors (9645725).

49156387 is a wasteful number, since it uses less digits than its factorization.

49156387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678.

The product of its digits is 181440, while the sum is 43.

The square root of 49156387 is about 7011.1616013325. The cubic root of 49156387 is about 366.3194554295.

The spelling of 49156387 in words is "forty-nine million, one hundred fifty-six thousand, three hundred eighty-seven".