55015401653 has 4 divisors (see below), whose sum is σ = 55448593920. Its totient is φ = 54582209388.

The previous prime is 55015401643. The next prime is 55015401659. The reversal of 55015401653 is 35610451055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55015401653 - 2³⁰ = 53941659829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015401659) 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 3 ways as a sum of consecutive naturals, for example, 216595943 + ... + 216596196.

It is an arithmetic number, because the mean of its divisors is an integer number (13862148480).

Almost surely, 2^55015401653 is an apocalyptic number.

It is an amenable number.

55015401653 is a deficient number, since it is larger than the sum of its proper divisors (433192267).

55015401653 is a wasteful number, since it uses less digits than its factorization.

55015401653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433192266.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 55015401653 in words is "fifty-five billion, fifteen million, four hundred one thousand, six hundred fifty-three".