55775450457046 has 16 divisors (see below), whose sum is σ = 84404187906624. Its totient is φ = 27640724840064.

The previous prime is 55775450456993. The next prime is 55775450457049. The reversal of 55775450457046 is 64075405457755.

It is a happy number.

It is a super-2 number, since 2×55775450457046² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55775450457049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32017060 + ... + 33714136.

It is an arithmetic number, because the mean of its divisors is an integer number (5275261744164).

Almost surely, 2^{55775450457046} is an apocalyptic number.

55775450457046 is a deficient number, since it is larger than the sum of its proper divisors (28628737449578).

55775450457046 is a wasteful number, since it uses less digits than its factorization.

55775450457046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842615.

The product of its (nonzero) digits is 411600000, while the sum is 64.

The spelling of 55775450457046 in words is "fifty-five trillion, seven hundred seventy-five billion, four hundred fifty million, four hundred fifty-seven thousand, forty-six".