55515757670 has 32 divisors (see below), whose sum is σ = 102629086560. Its totient is φ = 21608930560.

The previous prime is 55515757669. The next prime is 55515757673. The reversal of 55515757670 is 7675751555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55515757673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14552 + ... + 333531.

It is an arithmetic number, because the mean of its divisors is an integer number (3207158955).

Almost surely, 2^55515757670 is an apocalyptic number.

55515757670 is a deficient number, since it is larger than the sum of its proper divisors (47113328890).

55515757670 is a wasteful number, since it uses less digits than its factorization.

55515757670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348520.

The product of its (nonzero) digits is 6431250, while the sum is 53.

The spelling of 55515757670 in words is "fifty-five billion, five hundred fifteen million, seven hundred fifty-seven thousand, six hundred seventy".