52398553 has 4 divisors (see below), whose sum is σ = 53617168. Its totient is φ = 51179940.

The previous prime is 52398551. The next prime is 52398557. The reversal of 52398553 is 35589325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52398553 - 2¹ = 52398551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52398551) 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, 609243 + ... + 609328.

It is an arithmetic number, because the mean of its divisors is an integer number (13404292).

Almost surely, 2^52398553 is an apocalyptic number.

It is an amenable number.

52398553 is a deficient number, since it is larger than the sum of its proper divisors (1218615).

52398553 is a wasteful number, since it uses less digits than its factorization.

52398553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218614.

The product of its digits is 162000, while the sum is 40.

The square root of 52398553 is about 7238.6844799314. The cubic root of 52398553 is about 374.2022817396.

The spelling of 52398553 in words is "fifty-two million, three hundred ninety-eight thousand, five hundred fifty-three".