49077855 has 48 divisors (see below), whose sum is σ = 91110240. Its totient is φ = 24364800.

The previous prime is 49077811. The next prime is 49077857. The reversal of 49077855 is 55877094.

It is not a de Polignac number, because 49077855 - 2¹⁰ = 49076831 is a prime.

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 49077855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49077857) 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, 51685 + ... + 52625.

It is an arithmetic number, because the mean of its divisors is an integer number (1898130).

Almost surely, 2^49077855 is an apocalyptic number.

49077855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49077855 is a deficient number, since it is larger than the sum of its proper divisors (42032385).

49077855 is a wasteful number, since it uses less digits than its factorization.

49077855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 49077855 is about 7005.5588642163. The cubic root of 49077855 is about 366.1242747378.

The spelling of 49077855 in words is "forty-nine million, seventy-seven thousand, eight hundred fifty-five".