49513745 has 4 divisors (see below), whose sum is σ = 59416500. Its totient is φ = 39610992.

The previous prime is 49513729. The next prime is 49513771. The reversal of 49513745 is 54731594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23309584 + 26204161 = 4828^2 + 5119^2 .

It is a cyclic number.

It is not a de Polignac number, because 49513745 - 2⁴ = 49513729 is a prime.

It is a super-2 number, since 2×49513745² = 4903221887850050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49513699 and 49513708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951370 + ... + 4951379.

It is an arithmetic number, because the mean of its divisors is an integer number (14854125).

Almost surely, 2^49513745 is an apocalyptic number.

It is an amenable number.

49513745 is a deficient number, since it is larger than the sum of its proper divisors (9902755).

49513745 is an equidigital number, since it uses as much as digits as its factorization.

49513745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9902754.

The product of its digits is 75600, while the sum is 38.

The square root of 49513745 is about 7036.6003865503. The cubic root of 49513745 is about 367.2050049117.

The spelling of 49513745 in words is "forty-nine million, five hundred thirteen thousand, seven hundred forty-five".