499257755 has 4 divisors (see below), whose sum is σ = 599109312. Its totient is φ = 399406200.

The previous prime is 499257743. The next prime is 499257763. The reversal of 499257755 is 557752994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557752994 = 2 ⋅278876497.

It is not a de Polignac number, because 499257755 - 2¹⁴ = 499241371 is a prime.

It is a super-3 number, since 3×499257755³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499257697 and 499257706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49925771 + ... + 49925780.

It is an arithmetic number, because the mean of its divisors is an integer number (149777328).

Almost surely, 2^499257755 is an apocalyptic number.

499257755 is a deficient number, since it is larger than the sum of its proper divisors (99851557).

499257755 is an equidigital number, since it uses as much as digits as its factorization.

499257755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99851556.

The product of its digits is 3969000, while the sum is 53.

The square root of 499257755 is about 22344.0765081039. The cubic root of 499257755 is about 793.3075846495.

The spelling of 499257755 in words is "four hundred ninety-nine million, two hundred fifty-seven thousand, seven hundred fifty-five".