49726251 has 8 divisors (see below), whose sum is σ = 73668560. Its totient is φ = 33150816.

The previous prime is 49726219. The next prime is 49726267. The reversal of 49726251 is 15262794.

It is not a de Polignac number, because 49726251 - 2⁵ = 49726219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49726291) 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, 920830 + ... + 920883.

It is an arithmetic number, because the mean of its divisors is an integer number (9208570).

Almost surely, 2^49726251 is an apocalyptic number.

49726251 is a deficient number, since it is larger than the sum of its proper divisors (23942309).

49726251 is a wasteful number, since it uses less digits than its factorization.

49726251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841722 (or 1841716 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 49726251 is about 7051.6842668968. The cubic root of 49726251 is about 367.7295858220.

It can be divided in two parts, 4 and 9726251, that added together give a triangular number (9726255 = T₄₄₁₀).

The spelling of 49726251 in words is "forty-nine million, seven hundred twenty-six thousand, two hundred fifty-one".