49023815 has 4 divisors (see below), whose sum is σ = 58828584. Its totient is φ = 39219048.

The previous prime is 49023769. The next prime is 49023817. The reversal of 49023815 is 51832094.

49023815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51832094 = 2 ⋅25916047.

It is a cyclic number.

It is not a de Polignac number, because 49023815 - 2²² = 44829511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49023817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4902377 + ... + 4902386.

It is an arithmetic number, because the mean of its divisors is an integer number (14707146).

Almost surely, 2^49023815 is an apocalyptic number.

49023815 is a deficient number, since it is larger than the sum of its proper divisors (9804769).

49023815 is an equidigital number, since it uses as much as digits as its factorization.

49023815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804768.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 49023815 is about 7001.7008647899. The cubic root of 49023815 is about 365.9898446424.

The spelling of 49023815 in words is "forty-nine million, twenty-three thousand, eight hundred fifteen".