55514787405 has 192 divisors, whose sum is σ = 116140179456. Its totient is φ = 22377600000.

The previous prime is 55514787373. The next prime is 55514787409. The reversal of 55514787405 is 50478741555.

It is not a de Polignac number, because 55514787405 - 2⁵ = 55514787373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55514787409) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 73920780 + ... + 73921530.

It is an arithmetic number, because the mean of its divisors is an integer number (604896768).

Almost surely, 2^55514787405 is an apocalyptic number.

55514787405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55514787405 is an abundant number, since it is smaller than the sum of its proper divisors (60625392051).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55514787405 is a wasteful number, since it uses less digits than its factorization.

55514787405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 3920000, while the sum is 51.

The spelling of 55514787405 in words is "fifty-five billion, five hundred fourteen million, seven hundred eighty-seven thousand, four hundred five".