55738328 has 16 divisors (see below), whose sum is σ = 105203760. Its totient is φ = 27684000.

The previous prime is 55738327. The next prime is 55738357. The reversal of 55738328 is 82383755.

It is a super-2 number, since 2×55738328² = 6213522416471168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55738321) 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, 21863 + ... + 24278.

It is an arithmetic number, because the mean of its divisors is an integer number (6575235).

Almost surely, 2^55738328 is an apocalyptic number.

It is an amenable number.

55738328 is a deficient number, since it is larger than the sum of its proper divisors (49465432).

55738328 is a wasteful number, since it uses less digits than its factorization.

55738328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46298 (or 46294 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 55738328 is about 7465.8106056878. The cubic root of 55738328 is about 381.9894005812.

The spelling of 55738328 in words is "fifty-five million, seven hundred thirty-eight thousand, three hundred twenty-eight".