53021452004 has 6 divisors (see below), whose sum is σ = 92787541014. Its totient is φ = 26510726000.

The previous prime is 53021451961. The next prime is 53021452021. The reversal of 53021452004 is 40025412035.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26582041600 + 26439410404 = 163040^2 + 162602^2 .

It is a super-2 number, since 2×53021452004² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627681497 + ... + 6627681504.

It is an arithmetic number, because the mean of its divisors is an integer number (15464590169).

Almost surely, 2^53021452004 is an apocalyptic number.

It is an amenable number.

53021452004 is a deficient number, since it is larger than the sum of its proper divisors (39766089010).

53021452004 is a wasteful number, since it uses less digits than its factorization.

53021452004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255363005 (or 13255363003 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 53021452004 its reverse (40025412035), we get a palindrome (93046864039).

The spelling of 53021452004 in words is "fifty-three billion, twenty-one million, four hundred fifty-two thousand, four".