55734420 has 48 divisors (see below), whose sum is σ = 178351488. Its totient is φ = 12739200.

The previous prime is 55734403. The next prime is 55734431. The reversal of 55734420 is 2443755.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65931 + ... + 66770.

It is an arithmetic number, because the mean of its divisors is an integer number (3715656).

Almost surely, 2^55734420 is an apocalyptic number.

It is an amenable number.

55734420 is an abundant number, since it is smaller than the sum of its proper divisors (122617068).

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

55734420 is a wasteful number, since it uses less digits than its factorization.

55734420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132720 (or 132718 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 55734420 is about 7465.5488746642. The cubic root of 55734420 is about 381.9804728558.

The spelling of 55734420 in words is "fifty-five million, seven hundred thirty-four thousand, four hundred twenty".