49787505 has 24 divisors (see below), whose sum is σ = 90841920. Its totient is φ = 25155360.

The previous prime is 49787503. The next prime is 49787527. The reversal of 49787505 is 50578794.

It is not a de Polignac number, because 49787505 - 2¹ = 49787503 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (49787503) 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, 28261 + ... + 29970.

It is an arithmetic number, because the mean of its divisors is an integer number (3785080).

Almost surely, 2^49787505 is an apocalyptic number.

49787505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49787505 is a deficient number, since it is larger than the sum of its proper divisors (41054415).

49787505 is a wasteful number, since it uses less digits than its factorization.

49787505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58261 (or 58258 counting only the distinct ones).

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

The square root of 49787505 is about 7056.0261479107. The cubic root of 49787505 is about 367.8805166014.

The spelling of 49787505 in words is "forty-nine million, seven hundred eighty-seven thousand, five hundred five".