53121098 has 8 divisors (see below), whose sum is σ = 82429380. Its totient is φ = 25644640.

The previous prime is 53121091. The next prime is 53121109. The reversal of 53121098 is 89012135.

It can be written as a sum of positive squares in 2 ways, for example, as 47844889 + 5276209 = 6917^2 + 2297^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 53121098.

It is not an unprimeable number, because it can be changed into a prime (53121091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457883 + ... + 457998.

Almost surely, 2^53121098 is an apocalyptic number.

53121098 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

53121098 is a deficient number, since it is larger than the sum of its proper divisors (29308282).

53121098 is a wasteful number, since it uses less digits than its factorization.

53121098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915912.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 53121098 is about 7288.4221886496. The cubic root of 53121098 is about 375.9144450356.

The spelling of 53121098 in words is "fifty-three million, one hundred twenty-one thousand, ninety-eight".