49013533 has 12 divisors (see below), whose sum is σ = 52409812. Its totient is φ = 45826560.

The previous prime is 49013513. The next prime is 49013537. The reversal of 49013533 is 33531094.

It can be written as a sum of positive squares in 6 ways, for example, as 4897369 + 44116164 = 2213^2 + 6642^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49013533 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 (49013537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51841 + ... + 52777.

Almost surely, 2^49013533 is an apocalyptic number.

It is an amenable number.

49013533 is a deficient number, since it is larger than the sum of its proper divisors (3396279).

49013533 is a wasteful number, since it uses less digits than its factorization.

49013533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 49013533 is about 7000.9665761236. The cubic root of 49013533 is about 365.9642559179.

The spelling of 49013533 in words is "forty-nine million, thirteen thousand, five hundred thirty-three".