4542121055 has 8 divisors (see below), whose sum is σ = 5482052352. Its totient is φ = 3612692128.

The previous prime is 4542121049. The next prime is 4542121079. The reversal of 4542121055 is 5501212454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4542121055 - 2⁴ = 4542121039 is a prime.

It is a super-4 number, since 4×4542121055⁴ (a number of 40 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2624639 + ... + 2626368.

It is an arithmetic number, because the mean of its divisors is an integer number (685256544).

Almost surely, 2^4542121055 is an apocalyptic number.

4542121055 is a deficient number, since it is larger than the sum of its proper divisors (939931297).

4542121055 is a wasteful number, since it uses less digits than its factorization.

4542121055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251185.

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

The square root of 4542121055 is about 67395.2598852471. The cubic root of 4542121055 is about 1656.0987710882.

The spelling of 4542121055 in words is "four billion, five hundred forty-two million, one hundred twenty-one thousand, fifty-five".