53190554 has 4 divisors (see below), whose sum is σ = 79785834. Its totient is φ = 26595276.

The previous prime is 53190547. The next prime is 53190581. The reversal of 53190554 is 45509135.

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., 45873529 + 7317025 = 6773^2 + 2705^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53190554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13297637 + ... + 13297640.

Almost surely, 2^53190554 is an apocalyptic number.

53190554 is a deficient number, since it is larger than the sum of its proper divisors (26595280).

53190554 is a wasteful number, since it uses less digits than its factorization.

53190554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26595279.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 53190554 is about 7293.1854494453. The cubic root of 53190554 is about 376.0782101152.

Adding to 53190554 its reverse (45509135), we get a palindrome (98699689).

The spelling of 53190554 in words is "fifty-three million, one hundred ninety thousand, five hundred fifty-four".