55035963440 has 40 divisors (see below), whose sum is σ = 128075463360. Its totient is φ = 21994282496.

The previous prime is 55035963403. The next prime is 55035963443. The reversal of 55035963440 is 4436953055.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 55035963391 and 55035963400.

It is not an unprimeable number, because it can be changed into a prime (55035963443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225800 + ... + 401319.

It is an arithmetic number, because the mean of its divisors is an integer number (3201886584).

Almost surely, 2^55035963440 is an apocalyptic number.

It is an amenable number.

55035963440 is an abundant number, since it is smaller than the sum of its proper divisors (73039499920).

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

55035963440 is a wasteful number, since it uses less digits than its factorization.

55035963440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628229 (or 628223 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 55035963440 in words is "fifty-five billion, thirty-five million, nine hundred sixty-three thousand, four hundred forty".