55075777503 has 16 divisors (see below), whose sum is σ = 73629308256. Its totient is φ = 36619776000.

The previous prime is 55075777457. The next prime is 55075777507. The reversal of 55075777503 is 30577757055.

It is not a de Polignac number, because 55075777503 - 2¹⁴ = 55075761119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55075777507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5192001 + ... + 5202597.

It is an arithmetic number, because the mean of its divisors is an integer number (4601831766).

Almost surely, 2^55075777503 is an apocalyptic number.

55075777503 is a deficient number, since it is larger than the sum of its proper divisors (18553530753).

55075777503 is a wasteful number, since it uses less digits than its factorization.

55075777503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15034.

The product of its (nonzero) digits is 4501875, while the sum is 51.

The spelling of 55075777503 in words is "fifty-five billion, seventy-five million, seven hundred seventy-seven thousand, five hundred three".