55331355 has 8 divisors (see below), whose sum is σ = 88530192. Its totient is φ = 29510048.

The previous prime is 55331351. The next prime is 55331357. The reversal of 55331355 is 55313355.

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

It is a cyclic number.

It is not a de Polignac number, because 55331355 - 2² = 55331351 is a prime.

It is a super-2 number, since 2×55331355² = 6123117692272050, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (55331351) 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, 1844364 + ... + 1844393.

It is an arithmetic number, because the mean of its divisors is an integer number (11066274).

Almost surely, 2^55331355 is an apocalyptic number.

55331355 is a deficient number, since it is larger than the sum of its proper divisors (33198837).

55331355 is a wasteful number, since it uses less digits than its factorization.

55331355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688765.

The product of its digits is 16875, while the sum is 30.

The square root of 55331355 is about 7438.5048900972. The cubic root of 55331355 is about 381.0574310130.

The spelling of 55331355 in words is "fifty-five million, three hundred thirty-one thousand, three hundred fifty-five".