53025554 has 4 divisors (see below), whose sum is σ = 79538334. Its totient is φ = 26512776.

The previous prime is 53025547. The next prime is 53025563. The reversal of 53025554 is 45552035.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26759929 + 26265625 = 5173^2 + 5125^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13256387 + ... + 13256390.

Almost surely, 2^53025554 is an apocalyptic number.

53025554 is a deficient number, since it is larger than the sum of its proper divisors (26512780).

53025554 is a wasteful number, since it uses less digits than its factorization.

53025554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26512779.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 53025554 is about 7281.8647337066. The cubic root of 53025554 is about 375.6889356129.

Adding to 53025554 its reverse (45552035), we get a palindrome (98577589).

The spelling of 53025554 in words is "fifty-three million, twenty-five thousand, five hundred fifty-four".