55402350411 has 16 divisors (see below), whose sum is σ = 76474957824. Its totient is φ = 35653852224.

The previous prime is 55402350407. The next prime is 55402350427. The reversal of 55402350411 is 11405320455.

It is not a de Polignac number, because 55402350411 - 2² = 55402350407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55402350511) 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, 2680971 + ... + 2701556.

It is an arithmetic number, because the mean of its divisors is an integer number (4779684864).

Almost surely, 2^55402350411 is an apocalyptic number.

55402350411 is a deficient number, since it is larger than the sum of its proper divisors (21072607413).

55402350411 is a wasteful number, since it uses less digits than its factorization.

55402350411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382650.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 55402350411 its reverse (11405320455), we get a palindrome (66807670866).

The spelling of 55402350411 in words is "fifty-five billion, four hundred two million, three hundred fifty thousand, four hundred eleven".