55195330 has 16 divisors (see below), whose sum is σ = 99495864. Its totient is φ = 22046080.

The previous prime is 55195291. The next prime is 55195333. The reversal of 55195330 is 3359155.

It can be written as a sum of positive squares in 4 ways, for example, as 31663129 + 23532201 = 5627^2 + 4851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55195292 and 55195301.

It is not an unprimeable number, because it can be changed into a prime (55195333) 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, 3984 + ... + 11236.

Almost surely, 2^55195330 is an apocalyptic number.

55195330 is a deficient number, since it is larger than the sum of its proper divisors (44300534).

55195330 is a wasteful number, since it uses less digits than its factorization.

55195330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021.

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 55195330 is about 7429.3559613199. The cubic root of 55195330 is about 380.7449145965.

The spelling of 55195330 in words is "fifty-five million, one hundred ninety-five thousand, three hundred thirty".