49802772555 has 24 divisors (see below), whose sum is σ = 86332337520. Its totient is φ = 26559161280.

The previous prime is 49802772527. The next prime is 49802772557. The reversal of 49802772555 is 55527720894.

49802772555 is a `hidden beast` number, since 4 + 9 + 80 + 2 + 7 + 7 + 2 + 555 = 666.

It is not a de Polignac number, because 49802772555 - 2¹² = 49802768459 is a prime.

It is a super-2 number, since 2×49802772555² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49802772557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556461 + ... + 639729.

It is an arithmetic number, because the mean of its divisors is an integer number (3597180730).

Almost surely, 2^49802772555 is an apocalyptic number.

49802772555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49802772555 is a deficient number, since it is larger than the sum of its proper divisors (36529564965).

49802772555 is a wasteful number, since it uses less digits than its factorization.

49802772555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96571 (or 96568 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 49802772555 in words is "forty-nine billion, eight hundred two million, seven hundred seventy-two thousand, five hundred fifty-five".