49644231 has 32 divisors (see below), whose sum is σ = 83381760. Its totient is φ = 25570944.

The previous prime is 49644163. The next prime is 49644239. The reversal of 49644231 is 13244694.

49644231 = T₁₄₉₈ + T₁₄₉₉ + ... + T₁₅₄₀.

It is not a de Polignac number, because 49644231 - 2⁷ = 49644103 is a prime.

It is a super-2 number, since 2×49644231² = 4929099343162722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49644192 and 49644201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49644239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9625 + ... + 13853.

It is an arithmetic number, because the mean of its divisors is an integer number (2605680).

Almost surely, 2^49644231 is an apocalyptic number.

49644231 is a deficient number, since it is larger than the sum of its proper divisors (33737529).

49644231 is a wasteful number, since it uses less digits than its factorization.

49644231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its digits is 20736, while the sum is 33.

The square root of 49644231 is about 7045.8662348926. The cubic root of 49644231 is about 367.5272930815.

The spelling of 49644231 in words is "forty-nine million, six hundred forty-four thousand, two hundred thirty-one".