55775929733 has 4 divisors (see below), whose sum is σ = 56481954240. Its totient is φ = 55069905228.

The previous prime is 55775929711. The next prime is 55775929739. The reversal of 55775929733 is 33792957755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33792957755 = 5 ⋅6758591551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55775929733 is a prime.

It is a super-2 number, since 2×55775929733² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55775929739) 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, 353012135 + ... + 353012292.

It is an arithmetic number, because the mean of its divisors is an integer number (14120488560).

Almost surely, 2^55775929733 is an apocalyptic number.

It is an amenable number.

55775929733 is a deficient number, since it is larger than the sum of its proper divisors (706024507).

55775929733 is an equidigital number, since it uses as much as digits as its factorization.

55775929733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706024506.

The product of its digits is 62511750, while the sum is 62.

The spelling of 55775929733 in words is "fifty-five billion, seven hundred seventy-five million, nine hundred twenty-nine thousand, seven hundred thirty-three".