49776621 has 16 divisors (see below), whose sum is σ = 67246848. Its totient is φ = 32748800.

The previous prime is 49776611. The next prime is 49776631. The reversal of 49776621 is 12667794.

It is an interprime number because it is at equal distance from previous prime (49776611) and next prime (49776631).

It is a cyclic number.

It is not a de Polignac number, because 49776621 - 2¹⁰ = 49775597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49776611) 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, 115276 + ... + 115706.

It is an arithmetic number, because the mean of its divisors is an integer number (4202928).

Almost surely, 2^49776621 is an apocalyptic number.

It is an amenable number.

49776621 is a deficient number, since it is larger than the sum of its proper divisors (17470227).

49776621 is a wasteful number, since it uses less digits than its factorization.

49776621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its digits is 127008, while the sum is 42.

The square root of 49776621 is about 7055.2548501100. The cubic root of 49776621 is about 367.8537073089.

The spelling of 49776621 in words is "forty-nine million, seven hundred seventy-six thousand, six hundred twenty-one".