54021370 has 32 divisors (see below), whose sum is σ = 110234880. Its totient is φ = 18895680.

The previous prime is 54021323. The next prime is 54021379. The reversal of 54021370 is 7312045.

It is not an unprimeable number, because it can be changed into a prime (54021379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8466 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (3444840).

Almost surely, 2^54021370 is an apocalyptic number.

54021370 is an abundant number, since it is smaller than the sum of its proper divisors (56213510).

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

54021370 is a wasteful number, since it uses less digits than its factorization.

54021370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21910.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 54021370 is about 7349.9231288497. The cubic root of 54021370 is about 378.0261686016.

The spelling of 54021370 in words is "fifty-four million, twenty-one thousand, three hundred seventy".