55733315 has 32 divisors (see below), whose sum is σ = 75202560. Its totient is φ = 39312000.

The previous prime is 55733299. The next prime is 55733317. The reversal of 55733315 is 51333755.

It is not a de Polignac number, because 55733315 - 2⁴ = 55733299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55733317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438782 + ... + 438908.

It is an arithmetic number, because the mean of its divisors is an integer number (2350080).

Almost surely, 2^55733315 is an apocalyptic number.

55733315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55733315 is a deficient number, since it is larger than the sum of its proper divisors (19469245).

55733315 is a wasteful number, since it uses less digits than its factorization.

55733315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 23625, while the sum is 32.

The square root of 55733315 is about 7465.4748676826. The cubic root of 55733315 is about 381.9779484360.

It can be divided in two parts, 5573 and 3315, that added together give a palindrome (8888).

The spelling of 55733315 in words is "fifty-five million, seven hundred thirty-three thousand, three hundred fifteen".