49915723 has 16 divisors (see below), whose sum is σ = 62094816. Its totient is φ = 39421440.

The previous prime is 49915709. The next prime is 49915729. The reversal of 49915723 is 32751994.

It is a cyclic number.

It is not a de Polignac number, because 49915723 - 2⁹ = 49915211 is a prime.

It is a super-2 number, since 2×49915723² = 4983158805225458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49915729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7836 + ... + 12697.

It is an arithmetic number, because the mean of its divisors is an integer number (3880926).

Almost surely, 2^49915723 is an apocalyptic number.

49915723 is a deficient number, since it is larger than the sum of its proper divisors (12179093).

49915723 is a wasteful number, since it uses less digits than its factorization.

49915723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20574.

The product of its digits is 68040, while the sum is 40.

The square root of 49915723 is about 7065.1060147743. The cubic root of 49915723 is about 368.1960473788.

The spelling of 49915723 in words is "forty-nine million, nine hundred fifteen thousand, seven hundred twenty-three".