49311357 has 4 divisors (see below), whose sum is σ = 65748480. Its totient is φ = 32874236.

The previous prime is 49311341. The next prime is 49311377. The reversal of 49311357 is 75311394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49311357 - 2⁴ = 49311341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49311337) 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, 8218557 + ... + 8218562.

It is an arithmetic number, because the mean of its divisors is an integer number (16437120).

Almost surely, 2^49311357 is an apocalyptic number.

It is an amenable number.

49311357 is a deficient number, since it is larger than the sum of its proper divisors (16437123).

49311357 is a wasteful number, since it uses less digits than its factorization.

49311357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16437122.

The product of its digits is 11340, while the sum is 33.

The square root of 49311357 is about 7022.2045683674. The cubic root of 49311357 is about 366.7040034523.

The spelling of 49311357 in words is "forty-nine million, three hundred eleven thousand, three hundred fifty-seven".