49161567 has 64 divisors (see below), whose sum is σ = 86073344. Its totient is φ = 24261120.

The previous prime is 49161559. The next prime is 49161587. The reversal of 49161567 is 76516194.

It is not a de Polignac number, because 49161567 - 2³ = 49161559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49161517) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 313053 + ... + 313209.

It is an arithmetic number, because the mean of its divisors is an integer number (1344896).

Almost surely, 2^49161567 is an apocalyptic number.

49161567 is a deficient number, since it is larger than the sum of its proper divisors (36911777).

49161567 is a wasteful number, since it uses less digits than its factorization.

49161567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its digits is 45360, while the sum is 39.

The square root of 49161567 is about 7011.5310025700. The cubic root of 49161567 is about 366.3323223104.

The spelling of 49161567 in words is "forty-nine million, one hundred sixty-one thousand, five hundred sixty-seven".