55534140553 has 8 divisors (see below), whose sum is σ = 56906385480. Its totient is φ = 54162741120.

The previous prime is 55534140551. The next prime is 55534140581. The reversal of 55534140553 is 35504143555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1655838864 + 53878301689 = 40692^2 + 232117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55534140553 - 2¹ = 55534140551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55534140551) 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, 77350 + ... + 342127.

It is an arithmetic number, because the mean of its divisors is an integer number (7113298185).

Almost surely, 2^55534140553 is an apocalyptic number.

It is an amenable number.

55534140553 is a deficient number, since it is larger than the sum of its proper divisors (1372244927).

55534140553 is a wasteful number, since it uses less digits than its factorization.

55534140553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422747.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 55534140553 in words is "fifty-five billion, five hundred thirty-four million, one hundred forty thousand, five hundred fifty-three".