49198253 has 4 divisors (see below), whose sum is σ = 52982748. Its totient is φ = 45413760.

The previous prime is 49198241. The next prime is 49198273. The reversal of 49198253 is 35289194.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2111209 + 47087044 = 1453^2 + 6862^2 .

It is a cyclic number.

It is not a de Polignac number, because 49198253 - 2²⁰ = 48149677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49198253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49198213) 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, 1892228 + ... + 1892253.

It is an arithmetic number, because the mean of its divisors is an integer number (13245687).

Almost surely, 2^49198253 is an apocalyptic number.

It is an amenable number.

49198253 is a deficient number, since it is larger than the sum of its proper divisors (3784495).

49198253 is a wasteful number, since it uses less digits than its factorization.

49198253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784494.

The product of its digits is 77760, while the sum is 41.

The square root of 49198253 is about 7014.1466337681. The cubic root of 49198253 is about 366.4234227834.

The spelling of 49198253 in words is "forty-nine million, one hundred ninety-eight thousand, two hundred fifty-three".