54251370 has 40 divisors (see below), whose sum is σ = 145878084. Its totient is φ = 14466816.

The previous prime is 54251359. The next prime is 54251381. The reversal of 54251370 is 7315245.

It is a happy number.

54251370 is a `hidden beast` number, since 542 + 51 + 3 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (54251359) and next prime (54251381).

It can be written as a sum of positive squares in 2 ways, for example, as 46416969 + 7834401 = 6813^2 + 2799^2 .

It is a super-2 number, since 2×54251370² = 5886422293753800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32679 + ... + 34298.

Almost surely, 2^54251370 is an apocalyptic number.

54251370 is an abundant number, since it is smaller than the sum of its proper divisors (91626714).

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

54251370 is a wasteful number, since it uses less digits than its factorization.

54251370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66996 (or 66987 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 54251370 is about 7365.5529324009. The cubic root of 54251370 is about 378.5619005214.

The spelling of 54251370 in words is "fifty-four million, two hundred fifty-one thousand, three hundred seventy".