53509154 has 4 divisors (see below), whose sum is σ = 80263734. Its totient is φ = 26754576.

The previous prime is 53509153. The next prime is 53509163. The reversal of 53509154 is 45190535.

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., 48094225 + 5414929 = 6935^2 + 2327^2 .

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 53509154.

It is not an unprimeable number, because it can be changed into a prime (53509153) by changing a digit.

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, 13377287 + ... + 13377290.

Almost surely, 2^53509154 is an apocalyptic number.

53509154 is a deficient number, since it is larger than the sum of its proper divisors (26754580).

53509154 is a wasteful number, since it uses less digits than its factorization.

53509154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26754579.

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

The square root of 53509154 is about 7314.9951469567. The cubic root of 53509154 is about 376.8275918042.

Adding to 53509154 its reverse (45190535), we get a palindrome (98699689).

The spelling of 53509154 in words is "fifty-three million, five hundred nine thousand, one hundred fifty-four".