2155542555054 has 32 divisors (see below), whose sum is σ = 4932509124096. Its totient is φ = 615174962400.

The previous prime is 2155542555037. The next prime is 2155542555083. The reversal of 2155542555054 is 4505552455512.

It is a junction number, because it is equal to n+sod(n) for n = 2155542554994 and 2155542555012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28893097 + ... + 28967604.

It is an arithmetic number, because the mean of its divisors is an integer number (154140910128).

Almost surely, 2^{2155542555054} is an apocalyptic number.

2155542555054 is an abundant number, since it is smaller than the sum of its proper divisors (2776966569042).

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

2155542555054 is a wasteful number, since it uses less digits than its factorization.

2155542555054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57861600.

The product of its (nonzero) digits is 5000000, while the sum is 48.

The spelling of 2155542555054 in words is "two trillion, one hundred fifty-five billion, five hundred forty-two million, five hundred fifty-five thousand, fifty-four".