49956415551 has 224 divisors, whose sum is σ = 94645056000. Its totient is φ = 25713241344.

The previous prime is 49956415517. The next prime is 49956415559. The reversal of 49956415551 is 15551465994.

49956415551 is a `hidden beast` number, since 49 + 9 + 5 + 6 + 41 + 5 + 551 = 666.

49956415551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49956415551 - 2¹³ = 49956407359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49956415559) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 306480996 + ... + 306481158.

Almost surely, 2^49956415551 is an apocalyptic number.

49956415551 is a deficient number, since it is larger than the sum of its proper divisors (44688640449).

49956415551 is a wasteful number, since it uses less digits than its factorization.

49956415551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 330 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 54.

The spelling of 49956415551 in words is "forty-nine billion, nine hundred fifty-six million, four hundred fifteen thousand, five hundred fifty-one".