52153470 has 120 divisors (see below), whose sum is σ = 147067272. Its totient is φ = 13258080.

The previous prime is 52153469. The next prime is 52153481. The reversal of 52153470 is 7435125.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 778377 + ... + 778443.

Almost surely, 2^52153470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52153470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73533636).

52153470 is an abundant number, since it is smaller than the sum of its proper divisors (94913802).

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

52153470 is a wasteful number, since it uses less digits than its factorization.

52153470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52153470 is about 7221.7359408940. The cubic root of 52153470 is about 373.6179527785.

Adding to 52153470 its reverse (7435125), we get a palindrome (59588595).

The spelling of 52153470 in words is "fifty-two million, one hundred fifty-three thousand, four hundred seventy".