57550437363440 has 40 divisors (see below), whose sum is σ = 152919733567200. Its totient is φ = 19731578524416.

The previous prime is 57550437363437. The next prime is 57550437363449. The reversal of 57550437363440 is 4436373405575.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×57550437363440³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57550437363449) 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, 51384318515 + ... + 51384319634.

It is an arithmetic number, because the mean of its divisors is an integer number (3822993339180).

Almost surely, 2^{57550437363440} is an apocalyptic number.

It is an amenable number.

57550437363440 is an abundant number, since it is smaller than the sum of its proper divisors (95369296203760).

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

57550437363440 is a wasteful number, since it uses less digits than its factorization.

57550437363440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102768638169 (or 102768638163 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 56.

The spelling of 57550437363440 in words is "fifty-seven trillion, five hundred fifty billion, four hundred thirty-seven million, three hundred sixty-three thousand, four hundred forty".