55400094545 has 4 divisors (see below), whose sum is σ = 66480113460. Its totient is φ = 44320075632.

The previous prime is 55400094511. The next prime is 55400094613. The reversal of 55400094545 is 54549000455.

55400094545 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 2 ways, for example, as 30040169041 + 25359925504 = 173321^2 + 159248^2 .

It is a cyclic number.

It is not a de Polignac number, because 55400094545 - 2⁶ = 55400094481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5540009450 + ... + 5540009459.

It is an arithmetic number, because the mean of its divisors is an integer number (16620028365).

Almost surely, 2^55400094545 is an apocalyptic number.

It is an amenable number.

55400094545 is a deficient number, since it is larger than the sum of its proper divisors (11080018915).

55400094545 is a wasteful number, since it uses less digits than its factorization.

55400094545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080018914.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 55400094545 in words is "fifty-five billion, four hundred million, ninety-four thousand, five hundred forty-five".