53151770 has 48 divisors (see below), whose sum is σ = 113024160. Its totient is φ = 17940384.

The previous prime is 53151767. The next prime is 53151773. The reversal of 53151770 is 7715135.

It is an interprime number because it is at equal distance from previous prime (53151767) and next prime (53151773).

It is a super-2 number, since 2×53151770² = 5650221308265800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53151773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32021 + ... + 33639.

It is an arithmetic number, because the mean of its divisors is an integer number (2354670).

Almost surely, 2^53151770 is an apocalyptic number.

53151770 is an abundant number, since it is smaller than the sum of its proper divisors (59872390).

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

53151770 is a wasteful number, since it uses less digits than its factorization.

53151770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 53151770 is about 7290.5260441205. The cubic root of 53151770 is about 375.9867818275.

The spelling of 53151770 in words is "fifty-three million, one hundred fifty-one thousand, seven hundred seventy".