49195257 has 8 divisors (see below), whose sum is σ = 65956800. Its totient is φ = 32615280.

The previous prime is 49195243. The next prime is 49195259. The reversal of 49195257 is 75259194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49195257 - 2⁷ = 49195129 is a prime.

It is a super-2 number, since 2×49195257² = 4840346622592098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49195259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44757 + ... + 45842.

It is an arithmetic number, because the mean of its divisors is an integer number (8244600).

Almost surely, 2^49195257 is an apocalyptic number.

It is an amenable number.

49195257 is a deficient number, since it is larger than the sum of its proper divisors (16761543).

49195257 is a wasteful number, since it uses less digits than its factorization.

49195257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90783.

The product of its digits is 113400, while the sum is 42.

The square root of 49195257 is about 7013.9330621271. The cubic root of 49195257 is about 366.4159846679.

The spelling of 49195257 in words is "forty-nine million, one hundred ninety-five thousand, two hundred fifty-seven".