55303152 has 20 divisors (see below), whose sum is σ = 142866600. Its totient is φ = 18434368.

The previous prime is 55303151. The next prime is 55303169. The reversal of 55303152 is 25130355.

It is a super-2 number, since 2×55303152² = 6116877242270208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55303151) 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, 576027 + ... + 576122.

It is an arithmetic number, because the mean of its divisors is an integer number (7143330).

Almost surely, 2^55303152 is an apocalyptic number.

It is an amenable number.

55303152 is an abundant number, since it is smaller than the sum of its proper divisors (87563448).

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

55303152 is a wasteful number, since it uses less digits than its factorization.

55303152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152160 (or 1152154 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55303152 is about 7436.6089046016. The cubic root of 55303152 is about 380.9926769557.

It can be divided in two parts, 55303 and 152, that added together give a palindrome (55455).

The spelling of 55303152 in words is "fifty-five million, three hundred three thousand, one hundred fifty-two".