55119660 has 48 divisors (see below), whose sum is σ = 154732032. Its totient is φ = 14660800.

The previous prime is 55119653. The next prime is 55119667. The reversal of 55119660 is 6691155.

It is an interprime number because it is at equal distance from previous prime (55119653) and next prime (55119667).

It is not an unprimeable number, because it can be changed into a prime (55119667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28525 + ... + 30395.

It is an arithmetic number, because the mean of its divisors is an integer number (3223584).

Almost surely, 2^55119660 is an apocalyptic number.

It is an amenable number.

55119660 is an abundant number, since it is smaller than the sum of its proper divisors (99612372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55119660 is a wasteful number, since it uses less digits than its factorization.

55119660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 55119660 is about 7424.2615794434. The cubic root of 55119660 is about 380.5708410300.

The spelling of 55119660 in words is "fifty-five million, one hundred nineteen thousand, six hundred sixty".