55146620343 has 8 divisors (see below), whose sum is σ = 74242699648. Its totient is φ = 36407477304.

The previous prime is 55146620327. The next prime is 55146620359. The reversal of 55146620343 is 34302664155.

It is an interprime number because it is at equal distance from previous prime (55146620327) and next prime (55146620359).

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

It is not a de Polignac number, because 55146620343 - 2⁴ = 55146620327 is a prime.

It is a super-2 number, since 2×55146620343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146620303) 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, 89233705 + ... + 89234322.

It is an arithmetic number, because the mean of its divisors is an integer number (9280337456).

Almost surely, 2^55146620343 is an apocalyptic number.

55146620343 is a deficient number, since it is larger than the sum of its proper divisors (19096079305).

55146620343 is a wasteful number, since it uses less digits than its factorization.

55146620343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178468133.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 55146620343 in words is "fifty-five billion, one hundred forty-six million, six hundred twenty thousand, three hundred forty-three".