49511013 has 4 divisors (see below), whose sum is σ = 66014688. Its totient is φ = 33007340.

The previous prime is 49511003. The next prime is 49511027. The reversal of 49511013 is 31011594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49511013 - 2⁴ = 49510997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49511003) 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, 8251833 + ... + 8251838.

It is an arithmetic number, because the mean of its divisors is an integer number (16503672).

Almost surely, 2^49511013 is an apocalyptic number.

It is an amenable number.

49511013 is a deficient number, since it is larger than the sum of its proper divisors (16503675).

49511013 is a wasteful number, since it uses less digits than its factorization.

49511013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16503674.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 49511013 is about 7036.4062560372. The cubic root of 49511013 is about 367.1982510798.

The spelling of 49511013 in words is "forty-nine million, five hundred eleven thousand, thirteen".