52821498 has 16 divisors (see below), whose sum is σ = 105781536. Its totient is φ = 17584080.

The previous prime is 52821493. The next prime is 52821521. The reversal of 52821498 is 89412825.

It is a super-2 number, since 2×52821498² = 5580221301928008, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52821491) 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, 436 + ... + 10287.

It is an arithmetic number, because the mean of its divisors is an integer number (6611346).

Almost surely, 2^52821498 is an apocalyptic number.

52821498 is an abundant number, since it is smaller than the sum of its proper divisors (52960038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52821498 is a wasteful number, since it uses less digits than its factorization.

52821498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11549.

The product of its digits is 46080, while the sum is 39.

The square root of 52821498 is about 7267.8399817277. The cubic root of 52821498 is about 375.2064001542.

The spelling of 52821498 in words is "fifty-two million, eight hundred twenty-one thousand, four hundred ninety-eight".