53162640662421 has 8 divisors (see below), whose sum is σ = 75053139758784. Its totient is φ = 33356951003840.

The previous prime is 53162640662393. The next prime is 53162640662423. The reversal of 53162640662421 is 12426604626135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53162640662421 - 2⁶ = 53162640662357 is a prime.

It is a super-3 number, since 3×53162640662421³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53162640662423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521202359385 + ... + 521202359486.

It is an arithmetic number, because the mean of its divisors is an integer number (9381642469848).

Almost surely, 2^{53162640662421} is an apocalyptic number.

53162640662421 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

53162640662421 is a deficient number, since it is larger than the sum of its proper divisors (21890499096363).

53162640662421 is a wasteful number, since it uses less digits than its factorization.

53162640662421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042404718891.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 53162640662421 in words is "fifty-three trillion, one hundred sixty-two billion, six hundred forty million, six hundred sixty-two thousand, four hundred twenty-one".