53929970 has 16 divisors (see below), whose sum is σ = 97214040. Its totient is φ = 21540864.

The previous prime is 53929969. The next prime is 53929973. The reversal of 53929970 is 7992935.

It can be written as a sum of positive squares in 4 ways, for example, as 48260809 + 5669161 = 6947^2 + 2381^2 .

It is not an unprimeable number, because it can be changed into a prime (53929973) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4184 + ... + 11196.

Almost surely, 2^53929970 is an apocalyptic number.

53929970 is a deficient number, since it is larger than the sum of its proper divisors (43284070).

53929970 is a wasteful number, since it uses less digits than its factorization.

53929970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 53929970 is about 7343.7027445288. The cubic root of 53929970 is about 377.8128511906.

The spelling of 53929970 in words is "fifty-three million, nine hundred twenty-nine thousand, nine hundred seventy".