49895055 has 64 divisors (see below), whose sum is σ = 104186880. Its totient is φ = 22177152.

The previous prime is 49895047. The next prime is 49895099. The reversal of 49895055 is 55059894.

49895055 is a nontrivial binomial coefficient, being equal to C(9990, 2).

It is not a de Polignac number, because 49895055 - 2³ = 49895047 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49895055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34252 + ... + 35678.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2^49895055 is an apocalyptic number.

49895055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49895055 is the 9989-th triangular number and also the 4995-th hexagonal number.

49895055 is an abundant number, since it is smaller than the sum of its proper divisors (54291825).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49895055 is a wasteful number, since it uses less digits than its factorization.

49895055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 49895055 is about 7063.6431818149. The cubic root of 49895055 is about 368.1452222012.

The spelling of 49895055 in words is "forty-nine million, eight hundred ninety-five thousand, fifty-five".