55135260416 has 18 divisors (see below), whose sum is σ = 110055149232. Its totient is φ = 27567630080.

The previous prime is 55135260377. The next prime is 55135260419. The reversal of 55135260416 is 61406253155.

It is a super-2 number, since 2×55135260416² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55135260416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55135260419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107685800 + ... + 107686311.

Almost surely, 2^55135260416 is an apocalyptic number.

It is an amenable number.

55135260416 is a deficient number, since it is larger than the sum of its proper divisors (54919888816).

55135260416 is an equidigital number, since it uses as much as digits as its factorization.

55135260416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215372127 (or 215372113 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 55135260416 in words is "fifty-five billion, one hundred thirty-five million, two hundred sixty thousand, four hundred sixteen".