49188133 has 6 divisors (see below), whose sum is σ = 50561394. Its totient is φ = 47817216.

The previous prime is 49188119. The next prime is 49188137. The reversal of 49188133 is 33188194.

It can be written as a sum of positive squares in 3 ways, for example, as 31606884 + 17581249 = 5622^2 + 4193^2 .

It is not a de Polignac number, because 49188133 - 2¹⁷ = 49057061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49188092 and 49188101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49188137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42085 + ... + 43237.

It is an arithmetic number, because the mean of its divisors is an integer number (8426899).

Almost surely, 2^49188133 is an apocalyptic number.

It is an amenable number.

49188133 is a deficient number, since it is larger than the sum of its proper divisors (1373261).

49188133 is an frugal number, since it uses more digits than its factorization.

49188133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343 (or 1190 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 49188133 is about 7013.4251974338. The cubic root of 49188133 is about 366.3982968281.

Multiplying 49188133 by its sum of digits (37), we get a square (1819960921 = 42661²).

49188133 divided by its sum of digits (37) gives a square (1329409 = 1153²).

It can be divided in two parts, 4918813 and 3, that added together give a triangular number (4918816 = T₃₁₃₆).

The spelling of 49188133 in words is "forty-nine million, one hundred eighty-eight thousand, one hundred thirty-three".