52915553 has 2 divisors, whose sum is σ = 52915554. Its totient is φ = 52915552.

The previous prime is 52915547. The next prime is 52915567. The reversal of 52915553 is 35551925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48539089 + 4376464 = 6967^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 52915553 - 2¹⁰ = 52914529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52905553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26457776 + 26457777.

It is an arithmetic number, because the mean of its divisors is an integer number (26457777).

Almost surely, 2^52915553 is an apocalyptic number.

It is an amenable number.

52915553 is a deficient number, since it is larger than the sum of its proper divisors (1).

52915553 is an equidigital number, since it uses as much as digits as its factorization.

52915553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33750, while the sum is 35.

The square root of 52915553 is about 7274.3077333860. The cubic root of 52915553 is about 375.4289680729.

The spelling of 52915553 in words is "fifty-two million, nine hundred fifteen thousand, five hundred fifty-three".