55757653 has 4 divisors (see below), whose sum is σ = 63723040. Its totient is φ = 47792268.

The previous prime is 55757641. The next prime is 55757659. The reversal of 55757653 is 35675755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55757653 - 2⁵ = 55757621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55757659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982683 + ... + 3982696.

It is an arithmetic number, because the mean of its divisors is an integer number (15930760).

Almost surely, 2^55757653 is an apocalyptic number.

It is an amenable number.

55757653 is a deficient number, since it is larger than the sum of its proper divisors (7965387).

55757653 is an equidigital number, since it uses as much as digits as its factorization.

55757653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965386.

The product of its digits is 551250, while the sum is 43.

The square root of 55757653 is about 7467.1047267331. The cubic root of 55757653 is about 382.0335419137.

The spelling of 55757653 in words is "fifty-five million, seven hundred fifty-seven thousand, six hundred fifty-three".