55535352525 has 36 divisors (see below), whose sum is σ = 100587663540. Its totient is φ = 29286048000.

The previous prime is 55535352517. The next prime is 55535352533. The reversal of 55535352525 is 52525353555.

55535352525 is a `hidden beast` number, since 5 + 5 + 53 + 53 + 525 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (55535352517) and next prime (55535352533).

It can be written as a sum of positive squares in 6 ways, for example, as 8388178569 + 47147173956 = 91587^2 + 217134^2 .

It is not a de Polignac number, because 55535352525 - 2³ = 55535352517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1366626 + ... + 1406675.

It is an arithmetic number, because the mean of its divisors is an integer number (2794101765).

Almost surely, 2^55535352525 is an apocalyptic number.

It is an amenable number.

55535352525 is a deficient number, since it is larger than the sum of its proper divisors (45052311015).

55535352525 is a wasteful number, since it uses less digits than its factorization.

55535352525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773406 (or 2773398 counting only the distinct ones).

The product of its digits is 2812500, while the sum is 45.

The spelling of 55535352525 in words is "fifty-five billion, five hundred thirty-five million, three hundred fifty-two thousand, five hundred twenty-five".