53528499 has 8 divisors (see below), whose sum is σ = 79301520. Its totient is φ = 35685648.

The previous prime is 53528479. The next prime is 53528549. The reversal of 53528499 is 99482535.

53528499 is a `hidden beast` number, since 535 + 28 + 4 + 99 = 666.

It is not a de Polignac number, because 53528499 - 2¹³ = 53520307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53528479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991242 + ... + 991295.

It is an arithmetic number, because the mean of its divisors is an integer number (9912690).

Almost surely, 2^53528499 is an apocalyptic number.

53528499 is a deficient number, since it is larger than the sum of its proper divisors (25773021).

53528499 is a wasteful number, since it uses less digits than its factorization.

53528499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982546 (or 1982540 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 53528499 is about 7316.3173113254. The cubic root of 53528499 is about 376.8729974399.

The spelling of 53528499 in words is "fifty-three million, five hundred twenty-eight thousand, four hundred ninety-nine".