54402611620445 has 16 divisors (see below), whose sum is σ = 71265665659392. Its totient is φ = 39539034970560.

The previous prime is 54402611620433. The next prime is 54402611620471.

54402611620445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54402611620445 - 2¹² = 54402611616349 is a prime.

It is a super-2 number, since 2×54402611620445² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54402611620396 and 54402611620405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331176557 + ... + 331340786.

It is an arithmetic number, because the mean of its divisors is an integer number (4454104103712).

Almost surely, 2^{54402611620445} is an apocalyptic number.

54402611620445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54402611620445 is a deficient number, since it is larger than the sum of its proper divisors (16863054038947).

54402611620445 is a wasteful number, since it uses less digits than its factorization.

54402611620445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662518852.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 54402611620445 in words is "fifty-four trillion, four hundred two billion, six hundred eleven million, six hundred twenty thousand, four hundred forty-five".