53213019 has 8 divisors (see below), whose sum is σ = 73239552. Its totient is φ = 34330920.

The previous prime is 53212997. The next prime is 53213051. The reversal of 53213019 is 91031235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53213019 - 2⁵ = 53212987 is a prime.

It is a super-2 number, since 2×53213019² = 5663250782188722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53213019.

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 7 ways as a sum of consecutive naturals, for example, 285999 + ... + 286184.

It is an arithmetic number, because the mean of its divisors is an integer number (9154944).

Almost surely, 2^53213019 is an apocalyptic number.

53213019 is a deficient number, since it is larger than the sum of its proper divisors (20026533).

53213019 is a wasteful number, since it uses less digits than its factorization.

53213019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572217.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 53213019 is about 7294.7254232082. The cubic root of 53213019 is about 376.1311481353.

The spelling of 53213019 in words is "fifty-three million, two hundred thirteen thousand, nineteen".