55878527903 has 16 divisors (see below), whose sum is σ = 62270691840. Its totient is φ = 49705612800.

The previous prime is 55878527897. The next prime is 55878527917. The reversal of 55878527903 is 30972587855.

It is a cyclic number.

It is not a de Polignac number, because 55878527903 - 2⁶ = 55878527839 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 (55878527923) 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, 2579903 + ... + 2601471.

It is an arithmetic number, because the mean of its divisors is an integer number (3891918240).

Almost surely, 2^55878527903 is an apocalyptic number.

55878527903 is a deficient number, since it is larger than the sum of its proper divisors (6392163937).

55878527903 is a wasteful number, since it uses less digits than its factorization.

55878527903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26638.

The product of its (nonzero) digits is 21168000, while the sum is 59.

The spelling of 55878527903 in words is "fifty-five billion, eight hundred seventy-eight million, five hundred twenty-seven thousand, nine hundred three".