53151398 has 8 divisors (see below), whose sum is σ = 83923320. Its totient is φ = 25176960.

The previous prime is 53151377. The next prime is 53151409. The reversal of 53151398 is 89315135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53151398² = 5650142218708808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699323 + ... + 699398.

It is an arithmetic number, because the mean of its divisors is an integer number (10490415).

Almost surely, 2^53151398 is an apocalyptic number.

53151398 is a deficient number, since it is larger than the sum of its proper divisors (30771922).

53151398 is a wasteful number, since it uses less digits than its factorization.

53151398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398742.

The product of its digits is 16200, while the sum is 35.

The square root of 53151398 is about 7290.5005315136. The cubic root of 53151398 is about 375.9859046700.

The spelling of 53151398 in words is "fifty-three million, one hundred fifty-one thousand, three hundred ninety-eight".