49073857 has 4 divisors (see below), whose sum is σ = 56084416. Its totient is φ = 42063300.

The previous prime is 49073839. The next prime is 49073863. The reversal of 49073857 is 75837094.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-49073857 is a prime.

It is a super-3 number, since 3×49073857³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49073807) 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, 3505269 + ... + 3505282.

It is an arithmetic number, because the mean of its divisors is an integer number (14021104).

Almost surely, 2^49073857 is an apocalyptic number.

It is an amenable number.

49073857 is a deficient number, since it is larger than the sum of its proper divisors (7010559).

49073857 is an equidigital number, since it uses as much as digits as its factorization.

49073857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010558.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 49073857 is about 7005.2735135753. The cubic root of 49073857 is about 366.1143326801.

It can be divided in two parts, 490 and 73857, that added together give a palindrome (74347).

The spelling of 49073857 in words is "forty-nine million, seventy-three thousand, eight hundred fifty-seven".