55062660 has 96 divisors (see below), whose sum is σ = 167771520. Its totient is φ = 13436928.

The previous prime is 55062649. The next prime is 55062671. The reversal of 55062660 is 6626055.

It is an interprime number because it is at equal distance from previous prime (55062649) and next prime (55062671).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37011 + ... + 38469.

It is an arithmetic number, because the mean of its divisors is an integer number (1747620).

Almost surely, 2^55062660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55062660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83885760).

55062660 is an abundant number, since it is smaller than the sum of its proper divisors (112708860).

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

55062660 is a wasteful number, since it uses less digits than its factorization.

55062660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55062660 is about 7420.4218208940. The cubic root of 55062660 is about 380.4396112670.

The spelling of 55062660 in words is "fifty-five million, sixty-two thousand, six hundred sixty".