53690755 has 4 divisors (see below), whose sum is σ = 64428912. Its totient is φ = 42952600.

The previous prime is 53690753. The next prime is 53690759. The reversal of 53690755 is 55709635.

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

It is not a de Polignac number, because 53690755 - 2¹ = 53690753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53690753) 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 in 3 ways as a sum of consecutive naturals, for example, 5369071 + ... + 5369080.

It is an arithmetic number, because the mean of its divisors is an integer number (16107228).

Almost surely, 2^53690755 is an apocalyptic number.

53690755 is a deficient number, since it is larger than the sum of its proper divisors (10738157).

53690755 is a wasteful number, since it uses less digits than its factorization.

53690755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738156.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 53690755 is about 7327.3975598435. The cubic root of 53690755 is about 377.2534067797.

It can be divided in two parts, 53690 and 755, that added together give a palindrome (54445).

The spelling of 53690755 in words is "fifty-three million, six hundred ninety thousand, seven hundred fifty-five".