52627421 has 24 divisors (see below), whose sum is σ = 67223520. Its totient is φ = 40740000.

The previous prime is 52627369. The next prime is 52627423. The reversal of 52627421 is 12472625.

It is a happy number.

It is not a de Polignac number, because 52627421 - 2¹⁴ = 52611037 is a prime.

It is a super-2 number, since 2×52627421² = 5539290882222482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52627423) 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, 135095 + ... + 135483.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^52627421 is an apocalyptic number.

It is an amenable number.

52627421 is a deficient number, since it is larger than the sum of its proper divisors (14596099).

52627421 is a wasteful number, since it uses less digits than its factorization.

52627421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 658 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 52627421 is about 7254.4759286940. The cubic root of 52627421 is about 374.7463078202.

The spelling of 52627421 in words is "fifty-two million, six hundred twenty-seven thousand, four hundred twenty-one".