49013431 has 4 divisors (see below), whose sum is σ = 51896592. Its totient is φ = 46130272.

The previous prime is 49013423. The next prime is 49013443. The reversal of 49013431 is 13431094.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49013431 - 2³ = 49013423 is a prime.

It is a super-2 number, since 2×49013431² = 4804632836783522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49013396 and 49013405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49013131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441555 + ... + 1441588.

It is an arithmetic number, because the mean of its divisors is an integer number (12974148).

Almost surely, 2^49013431 is an apocalyptic number.

49013431 is a deficient number, since it is larger than the sum of its proper divisors (2883161).

49013431 is a wasteful number, since it uses less digits than its factorization.

49013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883160.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 49013431 is about 7000.9592914114. The cubic root of 49013431 is about 365.9640020534.

The spelling of 49013431 in words is "forty-nine million, thirteen thousand, four hundred thirty-one".