55220053 has 8 divisors (see below), whose sum is σ = 63487872. Its totient is φ = 47047056.

The previous prime is 55220003. The next prime is 55220059. The reversal of 55220053 is 35002255.

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

It is not a de Polignac number, because 55220053 - 2¹³ = 55211861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55220059) 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, 22450 + ... + 24787.

It is an arithmetic number, because the mean of its divisors is an integer number (7935984).

Almost surely, 2^55220053 is an apocalyptic number.

It is an amenable number.

55220053 is a deficient number, since it is larger than the sum of its proper divisors (8267819).

55220053 is a wasteful number, since it uses less digits than its factorization.

55220053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47411.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 55220053 is about 7431.0196473970. The cubic root of 55220053 is about 380.8017536529.

The spelling of 55220053 in words is "fifty-five million, two hundred twenty thousand, fifty-three".