53051222561624 has 32 divisors (see below), whose sum is σ = 113681428642080. Its totient is φ = 22736190753024.

The previous prime is 53051222561587. The next prime is 53051222561693. The reversal of 53051222561624 is 42616522215035.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44891894 + ... + 46058490.

It is an arithmetic number, because the mean of its divisors is an integer number (3552544645065).

Almost surely, 2^{53051222561624} is an apocalyptic number.

It is an amenable number.

53051222561624 is an abundant number, since it is smaller than the sum of its proper divisors (60630206080456).

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

53051222561624 is a wasteful number, since it uses less digits than its factorization.

53051222561624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978667 (or 1978663 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 53051222561624 its reverse (42616522215035), we get a palindrome (95667744776659).

The spelling of 53051222561624 in words is "fifty-three trillion, fifty-one billion, two hundred twenty-two million, five hundred sixty-one thousand, six hundred twenty-four".