1542634055 has 4 divisors (see below), whose sum is σ = 1851160872. Its totient is φ = 1234107240.

The previous prime is 1542634039. The next prime is 1542634057. The reversal of 1542634055 is 5504362451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5504362451 = 7 ⋅786337493.

It is not a de Polignac number, because 1542634055 - 2⁴ = 1542634039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542634057) 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 3 ways as a sum of consecutive naturals, for example, 154263401 + ... + 154263410.

It is an arithmetic number, because the mean of its divisors is an integer number (462790218).

Almost surely, 2^1542634055 is an apocalyptic number.

1542634055 is a deficient number, since it is larger than the sum of its proper divisors (308526817).

1542634055 is an equidigital number, since it uses as much as digits as its factorization.

1542634055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308526816.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 1542634055 is about 39276.3803703956. The cubic root of 1542634055 is about 1155.4583751879.

The spelling of 1542634055 in words is "one billion, five hundred forty-two million, six hundred thirty-four thousand, fifty-five".