55154201420 has 12 divisors (see below), whose sum is σ = 115823823024. Its totient is φ = 22061680560.

The previous prime is 55154201419. The next prime is 55154201461. The reversal of 55154201420 is 2410245155.

It is a super-3 number, since 3×55154201420³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378855016 + ... + 1378855055.

It is an arithmetic number, because the mean of its divisors is an integer number (9651985252).

Almost surely, 2^55154201420 is an apocalyptic number.

It is an amenable number.

55154201420 is an abundant number, since it is smaller than the sum of its proper divisors (60669621604).

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

55154201420 is a wasteful number, since it uses less digits than its factorization.

55154201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757710080 (or 2757710078 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 55154201420 its reverse (2410245155), we get a palindrome (57564446575).

The spelling of 55154201420 in words is "fifty-five billion, one hundred fifty-four million, two hundred one thousand, four hundred twenty".