49651189 has 8 divisors (see below), whose sum is σ = 56910528. Its totient is φ = 42433440.

The previous prime is 49651171. The next prime is 49651207. The reversal of 49651189 is 98115694.

It is an interprime number because it is at equal distance from previous prime (49651171) and next prime (49651207).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49651189 - 2⁹ = 49650677 is a prime.

It is a super-2 number, since 2×49651189² = 4930481138227442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49651109) 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, 7792 + ... + 12649.

It is an arithmetic number, because the mean of its divisors is an integer number (7113816).

Almost surely, 2^49651189 is an apocalyptic number.

It is an amenable number.

49651189 is a deficient number, since it is larger than the sum of its proper divisors (7259339).

49651189 is a wasteful number, since it uses less digits than its factorization.

49651189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20795.

The product of its digits is 77760, while the sum is 43.

The square root of 49651189 is about 7046.3599822887. The cubic root of 49651189 is about 367.5444628203.

The spelling of 49651189 in words is "forty-nine million, six hundred fifty-one thousand, one hundred eighty-nine".