55616061503 has 8 divisors (see below), whose sum is σ = 56670353568. Its totient is φ = 54561952224.

The previous prime is 55616061499. The next prime is 55616061509. The reversal of 55616061503 is 30516061655.

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

It is a cyclic number.

It is not a de Polignac number, because 55616061503 - 2² = 55616061499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616061509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675350 + ... + 753212.

It is an arithmetic number, because the mean of its divisors is an integer number (7083794196).

Almost surely, 2^55616061503 is an apocalyptic number.

55616061503 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55616061503 is a deficient number, since it is larger than the sum of its proper divisors (1054292065).

55616061503 is a wasteful number, since it uses less digits than its factorization.

55616061503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91393.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 55616061503 in words is "fifty-five billion, six hundred sixteen million, sixty-one thousand, five hundred three".