55492760 has 64 divisors (see below), whose sum is σ = 134006400. Its totient is φ = 20606976.

The previous prime is 55492753. The next prime is 55492769. The reversal of 55492760 is 6729455.

It is a happy number.

55492760 is nontrivially palindromic in base 13.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55492769) by changing a digit.

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, 53204 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (2093850).

Almost surely, 2^55492760 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 55492760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67003200).

55492760 is an abundant number, since it is smaller than the sum of its proper divisors (78513640).

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

55492760 is a wasteful number, since it uses less digits than its factorization.

55492760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 55492760 is about 7449.3462800436. The cubic root of 55492760 is about 381.4275940496.

The spelling of 55492760 in words is "fifty-five million, four hundred ninety-two thousand, seven hundred sixty".