55619450870 has 8 divisors (see below), whose sum is σ = 100115011584. Its totient is φ = 22247780344.

The previous prime is 55619450869. The next prime is 55619450881. The reversal of 55619450870 is 7805491655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 2780972534 + ... + 2780972553.

It is an arithmetic number, because the mean of its divisors is an integer number (12514376448).

Almost surely, 2^55619450870 is an apocalyptic number.

55619450870 is a deficient number, since it is larger than the sum of its proper divisors (44495560714).

55619450870 is a wasteful number, since it uses less digits than its factorization.

55619450870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561945094.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 55619450870 in words is "fifty-five billion, six hundred nineteen million, four hundred fifty thousand, eight hundred seventy".