55030752 has 168 divisors, whose sum is σ = 186194736. Its totient is φ = 15676416.

The previous prime is 55030741. The next prime is 55030753. The reversal of 55030752 is 25703055.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030753) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 163128 + ... + 163464.

It is an arithmetic number, because the mean of its divisors is an integer number (1108302).

Almost surely, 2^55030752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55030752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93097368).

55030752 is an abundant number, since it is smaller than the sum of its proper divisors (131163984).

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

55030752 is an equidigital number, since it uses as much as digits as its factorization.

55030752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 55030752 is about 7418.2714967841. The cubic root of 55030752 is about 380.3661106849.

The spelling of 55030752 in words is "fifty-five million, thirty thousand, seven hundred fifty-two".