55463032100 has 72 divisors (see below), whose sum is σ = 145639428480. Its totient is φ = 17897310720.

The previous prime is 55463032091. The next prime is 55463032103. The reversal of 55463032100 is 123036455.

It is a super-2 number, since 2×55463032100² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55463032103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2318480 + ... + 2342279.

It is an arithmetic number, because the mean of its divisors is an integer number (2022769840).

Almost surely, 2^55463032100 is an apocalyptic number.

55463032100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55463032100 is an abundant number, since it is smaller than the sum of its proper divisors (90176396380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55463032100 is a wasteful number, since it uses less digits than its factorization.

55463032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660797 (or 4660790 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 55463032100 its reverse (123036455), we get a palindrome (55586068555).

The spelling of 55463032100 in words is "fifty-five billion, four hundred sixty-three million, thirty-two thousand, one hundred".