52507470 has 32 divisors (see below), whose sum is σ = 129094560. Its totient is φ = 13660160.

The previous prime is 52507417. The next prime is 52507489. The reversal of 52507470 is 7470525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20115 + ... + 22574.

It is an arithmetic number, because the mean of its divisors is an integer number (4034205).

Almost surely, 2^52507470 is an apocalyptic number.

52507470 is an abundant number, since it is smaller than the sum of its proper divisors (76587090).

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

52507470 is a wasteful number, since it uses less digits than its factorization.

52507470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42740.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52507470 is about 7246.2038337325. The cubic root of 52507470 is about 374.4613778446.

Adding to 52507470 its reverse (7470525), we get a palindrome (59977995).

It can be divided in two parts, 5250 and 7470, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 52507470 in words is "fifty-two million, five hundred seven thousand, four hundred seventy".