5402021055 has 16 divisors (see below), whose sum is σ = 8662157664. Its totient is φ = 2874769920.

The previous prime is 5402021041. The next prime is 5402021059. The reversal of 5402021055 is 5501202045.

It is a happy number.

It is not a de Polignac number, because 5402021055 - 2⁶ = 5402020991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402021059) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 387166 + ... + 400875.

It is an arithmetic number, because the mean of its divisors is an integer number (541384854).

Almost surely, 2^5402021055 is an apocalyptic number.

5402021055 is a deficient number, since it is larger than the sum of its proper divisors (3260136609).

5402021055 is a wasteful number, since it uses less digits than its factorization.

5402021055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788506.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5402021055 is about 73498.4425345191. The cubic root of 5402021055 is about 1754.6294897263.

The spelling of 5402021055 in words is "five billion, four hundred two million, twenty-one thousand, fifty-five".