55405655510 has 16 divisors (see below), whose sum is σ = 102947283072. Its totient is φ = 21447350400.

The previous prime is 55405655507. The next prime is 55405655567. The reversal of 55405655510 is 1555650455.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89363651 + ... + 89364270.

It is an arithmetic number, because the mean of its divisors is an integer number (6434205192).

Almost surely, 2^55405655510 is an apocalyptic number.

55405655510 is a deficient number, since it is larger than the sum of its proper divisors (47541627562).

55405655510 is a wasteful number, since it uses less digits than its factorization.

55405655510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178727959.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 55405655510 in words is "fifty-five billion, four hundred five million, six hundred fifty-five thousand, five hundred ten".