49088239155 has 48 divisors (see below), whose sum is σ = 85984554240. Its totient is φ = 25905245184.

The previous prime is 49088239147. The next prime is 49088239157. The reversal of 49088239155 is 55193288094.

49088239155 is a `hidden beast` number, since 490 + 88 + 23 + 9 + 1 + 55 = 666.

It is not a de Polignac number, because 49088239155 - 2³ = 49088239147 is a prime.

It is a super-2 number, since 2×49088239155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49088239157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1916926 + ... + 1942364.

It is an arithmetic number, because the mean of its divisors is an integer number (1791344880).

Almost surely, 2^49088239155 is an apocalyptic number.

49088239155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49088239155 is a deficient number, since it is larger than the sum of its proper divisors (36896315085).

49088239155 is a wasteful number, since it uses less digits than its factorization.

49088239155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25900 (or 25897 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 49088239155 in words is "forty-nine billion, eighty-eight million, two hundred thirty-nine thousand, one hundred fifty-five".