55211435415 has 48 divisors (see below), whose sum is σ = 101555532000. Its totient is φ = 27652079616.

The previous prime is 55211435387. The next prime is 55211435417. The reversal of 55211435415 is 51453411255.

55211435415 is a `hidden beast` number, since 5 + 5 + 211 + 435 + 4 + 1 + 5 = 666.

It is not a de Polignac number, because 55211435415 - 2⁷ = 55211435287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55211435415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55211435417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263116 + ... + 423854.

It is an arithmetic number, because the mean of its divisors is an integer number (2115740250).

Almost surely, 2^55211435415 is an apocalyptic number.

55211435415 is a deficient number, since it is larger than the sum of its proper divisors (46344096585).

55211435415 is a wasteful number, since it uses less digits than its factorization.

55211435415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161216 (or 161213 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 55211435415 in words is "fifty-five billion, two hundred eleven million, four hundred thirty-five thousand, four hundred fifteen".