55949330 has 8 divisors (see below), whose sum is σ = 100708812. Its totient is φ = 22379728.

The previous prime is 55949303. The next prime is 55949339. The reversal of 55949330 is 3394955.

It can be written as a sum of positive squares in 2 ways, for example, as 45144961 + 10804369 = 6719^2 + 3287^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55949339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2797457 + ... + 2797476.

Almost surely, 2^55949330 is an apocalyptic number.

55949330 is a deficient number, since it is larger than the sum of its proper divisors (44759482).

55949330 is a wasteful number, since it uses less digits than its factorization.

55949330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594940.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 55949330 is about 7479.9284755939. The cubic root of 55949330 is about 382.4708109926.

The spelling of 55949330 in words is "fifty-five million, nine hundred forty-nine thousand, three hundred thirty".