55755330 has 32 divisors (see below), whose sum is σ = 135005184. Its totient is φ = 14735616.

The previous prime is 55755319. The next prime is 55755341. The reversal of 55755330 is 3355755.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55755319) and next prime (55755341).

It is a super-3 number, since 3×55755330³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55755291 and 55755300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4834 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (4218912).

Almost surely, 2^55755330 is an apocalyptic number.

55755330 is an abundant number, since it is smaller than the sum of its proper divisors (79249854).

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

55755330 is a wasteful number, since it uses less digits than its factorization.

55755330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16570.

The product of its (nonzero) digits is 39375, while the sum is 33.

The square root of 55755330 is about 7466.9491762031. The cubic root of 55755330 is about 382.0282363566.

The spelling of 55755330 in words is "fifty-five million, seven hundred fifty-five thousand, three hundred thirty".