53815970 has 32 divisors (see below), whose sum is σ = 104654592. Its totient is φ = 19806912.

The previous prime is 53815963. The next prime is 53815973. The reversal of 53815970 is 7951835.

It is not an unprimeable number, because it can be changed into a prime (53815973) 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, 64979 + ... + 65801.

It is an arithmetic number, because the mean of its divisors is an integer number (3270456).

Almost surely, 2^53815970 is an apocalyptic number.

53815970 is a deficient number, since it is larger than the sum of its proper divisors (50838622).

53815970 is a wasteful number, since it uses less digits than its factorization.

53815970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 53815970 is about 7335.9368863152. The cubic root of 53815970 is about 377.5464498491.

The spelling of 53815970 in words is "fifty-three million, eight hundred fifteen thousand, nine hundred seventy".