52554397 has 4 divisors (see below), whose sum is σ = 60062176. Its totient is φ = 45046620.

The previous prime is 52554391. The next prime is 52554421. The reversal of 52554397 is 79345525.

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 52554397 - 2²³ = 44165789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52554391) 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, 3753879 + ... + 3753892.

It is an arithmetic number, because the mean of its divisors is an integer number (15015544).

Almost surely, 2^52554397 is an apocalyptic number.

It is an amenable number.

52554397 is a deficient number, since it is larger than the sum of its proper divisors (7507779).

52554397 is an equidigital number, since it uses as much as digits as its factorization.

52554397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507778.

The product of its digits is 189000, while the sum is 40.

The square root of 52554397 is about 7249.4411508750. The cubic root of 52554397 is about 374.5728992260.

The spelling of 52554397 in words is "fifty-two million, five hundred fifty-four thousand, three hundred ninety-seven".