55355211076420 has 48 divisors (see below), whose sum is σ = 117652467945600. Its totient is φ = 21874599901440.

The previous prime is 55355211076393. The next prime is 55355211076421. The reversal of 55355211076420 is 2467011255355.

It is a super-2 number, since 2×55355211076420² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55355211076421) 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, 11194200 + ... + 15362959.

It is an arithmetic number, because the mean of its divisors is an integer number (2451093082200).

Almost surely, 2^{55355211076420} is an apocalyptic number.

It is an amenable number.

55355211076420 is an abundant number, since it is smaller than the sum of its proper divisors (62297256869180).

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

55355211076420 is a wasteful number, since it uses less digits than its factorization.

55355211076420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26558428 (or 26558426 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 55355211076420 in words is "fifty-five trillion, three hundred fifty-five billion, two hundred eleven million, seventy-six thousand, four hundred twenty".