55302760 has 64 divisors (see below), whose sum is σ = 129991680. Its totient is φ = 21150720.

The previous prime is 55302757. The next prime is 55302763. The reversal of 55302760 is 6720355.

It is an interprime number because it is at equal distance from previous prime (55302757) and next prime (55302763).

It is not an unprimeable number, because it can be changed into a prime (55302763) 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, 127504 + ... + 127936.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^55302760 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 55302760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64995840).

55302760 is an abundant number, since it is smaller than the sum of its proper divisors (74688920).

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

55302760 is a wasteful number, since it uses less digits than its factorization.

55302760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55302760 is about 7436.5825484560. The cubic root of 55302760 is about 380.9917767690.

The spelling of 55302760 in words is "fifty-five million, three hundred two thousand, seven hundred sixty".