49507431 has 16 divisors (see below), whose sum is σ = 70053120. Its totient is φ = 31032320.

The previous prime is 49507429. The next prime is 49507433. The reversal of 49507431 is 13470594.

49507431 = 118² + 119² + ... + 531².

It is an interprime number because it is at equal distance from previous prime (49507429) and next prime (49507433).

It is a cyclic number.

It is not a de Polignac number, because 49507431 - 2¹ = 49507429 is a prime.

It is a super-2 number, since 2×49507431² = 4901971448439522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 49507392 and 49507401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49507433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2010 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (4378320).

Almost surely, 2^49507431 is an apocalyptic number.

49507431 is a deficient number, since it is larger than the sum of its proper divisors (20545689).

49507431 is a wasteful number, since it uses less digits than its factorization.

49507431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 49507431 is about 7036.1517180914. The cubic root of 49507431 is about 367.1893955695.

The spelling of 49507431 in words is "forty-nine million, five hundred seven thousand, four hundred thirty-one".