53213049 has 12 divisors (see below), whose sum is σ = 77256036. Its totient is φ = 35294112.

The previous prime is 53212997. The next prime is 53213051. The reversal of 53213049 is 94031235.

It can be written as a sum of positive squares in 2 ways, for example, as 23040000 + 30173049 = 4800^2 + 5493^2 .

It is not a de Polignac number, because 53213049 - 2⁷ = 53212921 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53213089) 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, 13234 + ... + 16779.

It is an arithmetic number, because the mean of its divisors is an integer number (6438003).

Almost surely, 2^53213049 is an apocalyptic number.

It is an amenable number.

53213049 is a deficient number, since it is larger than the sum of its proper divisors (24042987).

53213049 is a wasteful number, since it uses less digits than its factorization.

53213049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30216 (or 30213 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 53213049 is about 7294.7274794882. The cubic root of 53213049 is about 376.1312188193.

The spelling of 53213049 in words is "fifty-three million, two hundred thirteen thousand, forty-nine".