55253500544 has 64 divisors (see below), whose sum is σ = 126402357600. Its totient is φ = 23793361920.

The previous prime is 55253500537. The next prime is 55253500573. The reversal of 55253500544 is 44500535255.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 55253500498 and 55253500507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005947 + ... + 1059450.

Almost surely, 2^55253500544 is an apocalyptic number.

It is an amenable number.

55253500544 is an abundant number, since it is smaller than the sum of its proper divisors (71148857056).

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

55253500544 is a wasteful number, since it uses less digits than its factorization.

55253500544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065441 (or 2065429 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 55253500544 in words is "fifty-five billion, two hundred fifty-three million, five hundred thousand, five hundred forty-four".