54525621540451 has 4 divisors (see below), whose sum is σ = 54722464939792. Its totient is φ = 54328778141112.

The previous prime is 54525621540437. The next prime is 54525621540461. The reversal of 54525621540451 is 15404512652545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54525621540451 - 2⁵ = 54525621540419 is a prime.

It is a super-4 number, since 4×54525621540451⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54525621540395 and 54525621540404.

It is not an unprimeable number, because it can be changed into a prime (54525621540461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98421699255 + ... + 98421699808.

It is an arithmetic number, because the mean of its divisors is an integer number (13680616234948).

Almost surely, 2^{54525621540451} is an apocalyptic number.

54525621540451 is a deficient number, since it is larger than the sum of its proper divisors (196843399341).

54525621540451 is a wasteful number, since it uses less digits than its factorization.

54525621540451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196843399340.

The product of its (nonzero) digits is 4800000, while the sum is 49.

The spelling of 54525621540451 in words is "fifty-four trillion, five hundred twenty-five billion, six hundred twenty-one million, five hundred forty thousand, four hundred fifty-one".