55620277870 has 8 divisors (see below), whose sum is σ = 100116500184. Its totient is φ = 22248111144.

The previous prime is 55620277829. The next prime is 55620277871. The reversal of 55620277870 is 7877202655.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55620277871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2781013884 + ... + 2781013903.

It is an arithmetic number, because the mean of its divisors is an integer number (12514562523).

Almost surely, 2^55620277870 is an apocalyptic number.

55620277870 is a deficient number, since it is larger than the sum of its proper divisors (44496222314).

55620277870 is a wasteful number, since it uses less digits than its factorization.

55620277870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562027794.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 55620277870 in words is "fifty-five billion, six hundred twenty million, two hundred seventy-seven thousand, eight hundred seventy".