49993261 has 4 divisors (see below), whose sum is σ = 50025724. Its totient is φ = 49960800.

The previous prime is 49993211. The next prime is 49993271. The reversal of 49993261 is 16239994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16239994 = 2 ⋅8119997.

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 10692900 = 6269^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 49993261 - 2¹³ = 49985069 is a prime.

It is a super-2 number, since 2×49993261² = 4998652290828242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49993201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13800 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (12506431).

Almost surely, 2^49993261 is an apocalyptic number.

It is an amenable number.

49993261 is a deficient number, since it is larger than the sum of its proper divisors (32463).

49993261 is a wasteful number, since it uses less digits than its factorization.

49993261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32462.

The product of its digits is 104976, while the sum is 43.

The square root of 49993261 is about 7070.5912765482. The cubic root of 49993261 is about 368.3865979949.

The spelling of 49993261 in words is "forty-nine million, nine hundred ninety-three thousand, two hundred sixty-one".