55213032454 has 4 divisors (see below), whose sum is σ = 82819548684. Its totient is φ = 27606516226.

The previous prime is 55213032409. The next prime is 55213032493. The reversal of 55213032454 is 45423031255.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13803258112 + ... + 13803258115.

It is an arithmetic number, because the mean of its divisors is an integer number (20704887171).

Almost surely, 2^55213032454 is an apocalyptic number.

55213032454 is a deficient number, since it is larger than the sum of its proper divisors (27606516230).

55213032454 is a wasteful number, since it uses less digits than its factorization.

55213032454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27606516229.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 55213032454 in words is "fifty-five billion, two hundred thirteen million, thirty-two thousand, four hundred fifty-four".