49012775 has 48 divisors (see below), whose sum is σ = 72852480. Its totient is φ = 32016000.

The previous prime is 49012771. The next prime is 49012781. The reversal of 49012775 is 57721094.

It is not a de Polignac number, because 49012775 - 2² = 49012771 is a prime.

It is a super-2 number, since 2×49012775² = 4804504226401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49012771) 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, 485225 + ... + 485325.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^49012775 is an apocalyptic number.

49012775 is a deficient number, since it is larger than the sum of its proper divisors (23839705).

49012775 is a wasteful number, since it uses less digits than its factorization.

49012775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 49012775 is about 7000.9124405323. The cubic root of 49012775 is about 365.9623693482.

The spelling of 49012775 in words is "forty-nine million, twelve thousand, seven hundred seventy-five".