53870070 has 16 divisors (see below), whose sum is σ = 129288240. Its totient is φ = 14365344.

The previous prime is 53870057. The next prime is 53870083. The reversal of 53870070 is 7007835.

It is an interprime number because it is at equal distance from previous prime (53870057) and next prime (53870083).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1795669 = 53870070 / (5 + 3 + 8 + 7 + 0 + 0 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897805 + ... + 897864.

It is an arithmetic number, because the mean of its divisors is an integer number (8080515).

Almost surely, 2^53870070 is an apocalyptic number.

53870070 is an abundant number, since it is smaller than the sum of its proper divisors (75418170).

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

53870070 is a wasteful number, since it uses less digits than its factorization.

53870070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795679.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 53870070 is about 7339.6232873357. The cubic root of 53870070 is about 377.6729205009.

The spelling of 53870070 in words is "fifty-three million, eight hundred seventy thousand, seventy".