55065552 has 40 divisors (see below), whose sum is σ = 143178336. Its totient is φ = 18235776.

The previous prime is 55065547. The next prime is 55065557. The reversal of 55065552 is 25556055.

It is an interprime number because it is at equal distance from previous prime (55065547) and next prime (55065557).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065557) 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, 3883 + ... + 11189.

Almost surely, 2^55065552 is an apocalyptic number.

It is an amenable number.

55065552 is an abundant number, since it is smaller than the sum of its proper divisors (88112784).

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

55065552 is a wasteful number, since it uses less digits than its factorization.

55065552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 55065552 is about 7420.6166859635. The cubic root of 55065552 is about 380.4462716311.

The spelling of 55065552 in words is "fifty-five million, sixty-five thousand, five hundred fifty-two".