55541136505402 has 16 divisors (see below), whose sum is σ = 86934753896832. Its totient is φ = 26562907459440.

The previous prime is 55541136505373. The next prime is 55541136505489. The reversal of 55541136505402 is 20450563114555.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 466974 + ... + 10549897.

It is an arithmetic number, because the mean of its divisors is an integer number (5433422118552).

Almost surely, 2^{55541136505402} is an apocalyptic number.

55541136505402 is a deficient number, since it is larger than the sum of its proper divisors (31393617391430).

55541136505402 is a wasteful number, since it uses less digits than its factorization.

55541136505402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126493.

The product of its (nonzero) digits is 1800000, while the sum is 46.

Adding to 55541136505402 its reverse (20450563114555), we get a palindrome (75991699619957).

The spelling of 55541136505402 in words is "fifty-five trillion, five hundred forty-one billion, one hundred thirty-six million, five hundred five thousand, four hundred two".