55535401503 has 6 divisors (see below), whose sum is σ = 80217802184. Its totient is φ = 37023600996.

The previous prime is 55535401501. The next prime is 55535401601. The reversal of 55535401503 is 30510453555.

55535401503 is a `hidden beast` number, since 5 + 553 + 54 + 0 + 1 + 50 + 3 = 666.

It is not a de Polignac number, because 55535401503 - 2¹ = 55535401501 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 (55535401501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3085300075 + ... + 3085300092.

Almost surely, 2^55535401503 is an apocalyptic number.

55535401503 is a deficient number, since it is larger than the sum of its proper divisors (24682400681).

55535401503 is a wasteful number, since it uses less digits than its factorization.

55535401503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170600173 (or 6170600170 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 55535401503 in words is "fifty-five billion, five hundred thirty-five million, four hundred one thousand, five hundred three".