49721185 has 8 divisors (see below), whose sum is σ = 60336360. Its totient is φ = 39329664.

The previous prime is 49721173. The next prime is 49721197. The reversal of 49721185 is 58112794.

It is an interprime number because it is at equal distance from previous prime (49721173) and next prime (49721197).

It can be written as a sum of positive squares in 4 ways, for example, as 2702736 + 47018449 = 1644^2 + 6857^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 49721185 - 2⁷ = 49721057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55422 + ... + 56311.

It is an arithmetic number, because the mean of its divisors is an integer number (7542045).

Almost surely, 2^49721185 is an apocalyptic number.

It is an amenable number.

49721185 is a deficient number, since it is larger than the sum of its proper divisors (10615175).

49721185 is a wasteful number, since it uses less digits than its factorization.

49721185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111827.

The product of its digits is 20160, while the sum is 37.

The square root of 49721185 is about 7051.3250527826. The cubic root of 49721185 is about 367.7170975734.

The spelling of 49721185 in words is "forty-nine million, seven hundred twenty-one thousand, one hundred eighty-five".