53957919 has 8 divisors (see below), whose sum is σ = 73163520. Its totient is φ = 35362136.

The previous prime is 53957909. The next prime is 53957923. The reversal of 53957919 is 91975935.

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

It is a cyclic number.

It is not a de Polignac number, because 53957919 - 2⁷ = 53957791 is a prime.

It is a super-2 number, since 2×53957919² = 5822914045621122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53957909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152247 + ... + 152600.

It is an arithmetic number, because the mean of its divisors is an integer number (9145440).

Almost surely, 2^53957919 is an apocalyptic number.

53957919 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

53957919 is a deficient number, since it is larger than the sum of its proper divisors (19205601).

53957919 is a wasteful number, since it uses less digits than its factorization.

53957919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304909.

The product of its digits is 382725, while the sum is 48.

The square root of 53957919 is about 7345.6054209303. The cubic root of 53957919 is about 377.8781066059.

The spelling of 53957919 in words is "fifty-three million, nine hundred fifty-seven thousand, nine hundred nineteen".