55330623457 has 16 divisors (see below), whose sum is σ = 57897290880. Its totient is φ = 52809724800.

The previous prime is 55330623433. The next prime is 55330623493. The reversal of 55330623457 is 75432603355.

It is a cyclic number.

It is not a de Polignac number, because 55330623457 - 2⁷ = 55330623329 is a prime.

It is a super-2 number, since 2×55330623457² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55330623427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689357 + ... + 1721797.

It is an arithmetic number, because the mean of its divisors is an integer number (3618580680).

Almost surely, 2^55330623457 is an apocalyptic number.

It is an amenable number.

55330623457 is a deficient number, since it is larger than the sum of its proper divisors (2566667423).

55330623457 is a wasteful number, since it uses less digits than its factorization.

55330623457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33144.

The product of its (nonzero) digits is 1134000, while the sum is 43.

The spelling of 55330623457 in words is "fifty-five billion, three hundred thirty million, six hundred twenty-three thousand, four hundred fifty-seven".