55361504063 has 4 divisors (see below), whose sum is σ = 55869407880. Its totient is φ = 54853600248.

The previous prime is 55361504053. The next prime is 55361504069. The reversal of 55361504063 is 36040516355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55361504063 - 2¹⁶ = 55361438527 is a prime.

It is a super-2 number, since 2×55361504063² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55361504069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253951745 + ... + 253951962.

It is an arithmetic number, because the mean of its divisors is an integer number (13967351970).

Almost surely, 2^55361504063 is an apocalyptic number.

55361504063 is a deficient number, since it is larger than the sum of its proper divisors (507903817).

55361504063 is a wasteful number, since it uses less digits than its factorization.

55361504063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507903816.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 55361504063 in words is "fifty-five billion, three hundred sixty-one million, five hundred four thousand, sixty-three".