49125775453 has 4 divisors (see below), whose sum is σ = 50819767740. Its totient is φ = 47431783168.

The previous prime is 49125775429. The next prime is 49125775477. The reversal of 49125775453 is 35457752194.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (49125775429) and next prime (49125775477).

It can be written as a sum of positive squares in 2 ways, for example, as 26131692409 + 22994083044 = 161653^2 + 151638^2 .

It is a cyclic number.

It is not a de Polignac number, because 49125775453 - 2²¹ = 49123678301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49125775453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49125775493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846996100 + ... + 846996157.

It is an arithmetic number, because the mean of its divisors is an integer number (12704941935).

Almost surely, 2^49125775453 is an apocalyptic number.

It is an amenable number.

49125775453 is a deficient number, since it is larger than the sum of its proper divisors (1693992287).

49125775453 is a wasteful number, since it uses less digits than its factorization.

49125775453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693992286.

The product of its digits is 5292000, while the sum is 52.

The spelling of 49125775453 in words is "forty-nine billion, one hundred twenty-five million, seven hundred seventy-five thousand, four hundred fifty-three".