48957813 has 24 divisors (see below), whose sum is σ = 76265280. Its totient is φ = 30162240.

The previous prime is 48957767. The next prime is 48957827. The reversal of 48957813 is 31875984.

It is not a de Polignac number, because 48957813 - 2⁶ = 48957749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48957833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3520 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (3177720).

Almost surely, 2^48957813 is an apocalyptic number.

It is an amenable number.

48957813 is a deficient number, since it is larger than the sum of its proper divisors (27307467).

48957813 is a wasteful number, since it uses less digits than its factorization.

48957813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049 (or 7046 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 48957813 is about 6996.9859939834. The cubic root of 48957813 is about 365.8255237542.

It can be divided in two parts, 48957 and 813, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 48957813 in words is "forty-eight million, nine hundred fifty-seven thousand, eight hundred thirteen".