53739506 has 4 divisors (see below), whose sum is σ = 80609262. Its totient is φ = 26869752.

The previous prime is 53739493. The next prime is 53739527. The reversal of 53739506 is 60593735.

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., 44769481 + 8970025 = 6691^2 + 2995^2 .

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 53739506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13434875 + ... + 13434878.

Almost surely, 2^53739506 is an apocalyptic number.

53739506 is a deficient number, since it is larger than the sum of its proper divisors (26869756).

53739506 is a wasteful number, since it uses less digits than its factorization.

53739506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26869755.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 53739506 is about 7330.7234295123. The cubic root of 53739506 is about 377.3675537880.

It can be divided in two parts, 53739 and 506, that added together give a palindrome (54245).

The spelling of 53739506 in words is "fifty-three million, seven hundred thirty-nine thousand, five hundred six".