49621017 has 4 divisors (see below), whose sum is σ = 66161360. Its totient is φ = 33080676.

The previous prime is 49621009. The next prime is 49621021. The reversal of 49621017 is 71012694.

It is a happy number.

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 not a de Polignac number, because 49621017 - 2³ = 49621009 is a prime.

It is a super-2 number, since 2×49621017² = 4924490656228578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49621007) 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, 8270167 + ... + 8270172.

It is an arithmetic number, because the mean of its divisors is an integer number (16540340).

Almost surely, 2^49621017 is an apocalyptic number.

It is an amenable number.

49621017 is a deficient number, since it is larger than the sum of its proper divisors (16540343).

49621017 is a wasteful number, since it uses less digits than its factorization.

49621017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16540342.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 49621017 is about 7044.2186933683. The cubic root of 49621017 is about 367.4699980135.

The spelling of 49621017 in words is "forty-nine million, six hundred twenty-one thousand, seventeen".