52154489 has 2 divisors, whose sum is σ = 52154490. Its totient is φ = 52154488.

The previous prime is 52154477. The next prime is 52154503. The reversal of 52154489 is 98445125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39904489 + 12250000 = 6317^2 + 3500^2 .

It is a cyclic number.

It is not a de Polignac number, because 52154489 - 2¹² = 52150393 is a prime.

It is a super-2 number, since 2×52154489² = 5440181445702242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52154189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26077244 + 26077245.

It is an arithmetic number, because the mean of its divisors is an integer number (26077245).

Almost surely, 2^52154489 is an apocalyptic number.

It is an amenable number.

52154489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52154489 is an equidigital number, since it uses as much as digits as its factorization.

52154489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 52154489 is about 7221.8064914535. The cubic root of 52154489 is about 373.6203860728.

The spelling of 52154489 in words is "fifty-two million, one hundred fifty-four thousand, four hundred eighty-nine".