49161323 has 4 divisors (see below), whose sum is σ = 49853808. Its totient is φ = 48468840.

The previous prime is 49161269. The next prime is 49161353. The reversal of 49161323 is 32316194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49161323 - 2⁸ = 49161067 is a prime.

It is a super-2 number, since 2×49161323² = 4833671358220658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49161353) 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, 346136 + ... + 346277.

It is an arithmetic number, because the mean of its divisors is an integer number (12463452).

Almost surely, 2^49161323 is an apocalyptic number.

49161323 is a deficient number, since it is larger than the sum of its proper divisors (692485).

49161323 is an equidigital number, since it uses as much as digits as its factorization.

49161323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692484.

The product of its digits is 3888, while the sum is 29.

The square root of 49161323 is about 7011.5136026396. The cubic root of 49161323 is about 366.3317162460.

The spelling of 49161323 in words is "forty-nine million, one hundred sixty-one thousand, three hundred twenty-three".