55132540145402 has 4 divisors (see below), whose sum is σ = 82698810218106. Its totient is φ = 27566270072700.

The previous prime is 55132540145399. The next prime is 55132540145429. The reversal of 55132540145402 is 20454104523155.

It is a happy number.

55132540145402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29191965955681 + 25940574189721 = 5402959^2 + 5093189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55132540145402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13783135036349 + ... + 13783135036352.

Almost surely, 2^{55132540145402} is an apocalyptic number.

55132540145402 is a deficient number, since it is larger than the sum of its proper divisors (27566270072704).

55132540145402 is a wasteful number, since it uses less digits than its factorization.

55132540145402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27566270072703.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 55132540145402 its reverse (20454104523155), we get a palindrome (75586644668557).

The spelling of 55132540145402 in words is "fifty-five trillion, one hundred thirty-two billion, five hundred forty million, one hundred forty-five thousand, four hundred two".