49887555 has 16 divisors (see below), whose sum is σ = 80136864. Its totient is φ = 26501120.

The previous prime is 49887533. The next prime is 49887583. The reversal of 49887555 is 55578894.

It is not a de Polignac number, because 49887555 - 2⁷ = 49887427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49887498 and 49887507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2616 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (5008554).

Almost surely, 2^49887555 is an apocalyptic number.

49887555 is a deficient number, since it is larger than the sum of its proper divisors (30249309).

49887555 is a wasteful number, since it uses less digits than its factorization.

49887555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206.

The product of its digits is 2016000, while the sum is 51.

The square root of 49887555 is about 7063.1122743448. The cubic root of 49887555 is about 368.1267752996.

The spelling of 49887555 in words is "forty-nine million, eight hundred eighty-seven thousand, five hundred fifty-five".