55926380 has 24 divisors (see below), whose sum is σ = 117967920. Its totient is φ = 22271040.

The previous prime is 55926361. The next prime is 55926397. The reversal of 55926380 is 8362955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (4915330).

Almost surely, 2^55926380 is an apocalyptic number.

It is an amenable number.

55926380 is an abundant number, since it is smaller than the sum of its proper divisors (62041540).

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

55926380 is a wasteful number, since it uses less digits than its factorization.

55926380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12447 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 55926380 is about 7478.3942126636. The cubic root of 55926380 is about 382.4185082777.

The spelling of 55926380 in words is "fifty-five million, nine hundred twenty-six thousand, three hundred eighty".