52420988 has 6 divisors (see below), whose sum is σ = 91736736. Its totient is φ = 26210492.

The previous prime is 52420987. The next prime is 52421011. The reversal of 52420988 is 88902425.

It is a super-2 number, since 2×52420988² = 5495919965792288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52420987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552620 + ... + 6552627.

It is an arithmetic number, because the mean of its divisors is an integer number (15289456).

Almost surely, 2^52420988 is an apocalyptic number.

It is an amenable number.

52420988 is a deficient number, since it is larger than the sum of its proper divisors (39315748).

52420988 is a wasteful number, since it uses less digits than its factorization.

52420988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105251 (or 13105249 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 52420988 is about 7240.2339741199. The cubic root of 52420988 is about 374.2556803536.

It can be divided in two parts, 524 and 20988, that added together give a palindrome (21512).

The spelling of 52420988 in words is "fifty-two million, four hundred twenty thousand, nine hundred eighty-eight".