49511601 has 8 divisors (see below), whose sum is σ = 73350560. Its totient is φ = 33007716.

The previous prime is 49511573. The next prime is 49511611. The reversal of 49511601 is 10611594.

49511601 is a `hidden beast` number, since 4 + 9 + 51 + 1 + 601 = 666.

It is not a de Polignac number, because 49511601 - 2⁵ = 49511569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1833763 = 49511601 / (4 + 9 + 5 + 1 + 1 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49511611) 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, 916855 + ... + 916908.

It is an arithmetic number, because the mean of its divisors is an integer number (9168820).

Almost surely, 2^49511601 is an apocalyptic number.

It is an amenable number.

49511601 is a deficient number, since it is larger than the sum of its proper divisors (23838959).

49511601 is a wasteful number, since it uses less digits than its factorization.

49511601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833772 (or 1833766 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 49511601 is about 7036.4480386058. The cubic root of 49511601 is about 367.1997047074.

The spelling of 49511601 in words is "forty-nine million, five hundred eleven thousand, six hundred one".