55216270434 has 32 divisors (see below), whose sum is σ = 122763723264. Its totient is φ = 16441568640.

The previous prime is 55216270433. The next prime is 55216270463. The reversal of 55216270434 is 43407261255.

55216270434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 55216270392 and 55216270401.

It is not an unprimeable number, because it can be changed into a prime (55216270433) 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, 11415339 + ... + 11420174.

It is an arithmetic number, because the mean of its divisors is an integer number (3836366352).

Almost surely, 2^55216270434 is an apocalyptic number.

55216270434 is an abundant number, since it is smaller than the sum of its proper divisors (67547452830).

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

55216270434 is a wasteful number, since it uses less digits than its factorization.

55216270434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22835562.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 55216270434 in words is "fifty-five billion, two hundred sixteen million, two hundred seventy thousand, four hundred thirty-four".