55251504124642 has 16 divisors (see below), whose sum is σ = 94725178088832. Its totient is φ = 23677137584640.

The previous prime is 55251504124591. The next prime is 55251504124693. The reversal of 55251504124642 is 24642140515255.

It is an interprime number because it is at equal distance from previous prime (55251504124591) and next prime (55251504124693).

It is a super-3 number, since 3×55251504124642³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55251504124592 and 55251504124601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173040534 + ... + 173359537.

It is an arithmetic number, because the mean of its divisors is an integer number (5920323630552).

Almost surely, 2^{55251504124642} is an apocalyptic number.

55251504124642 is a deficient number, since it is larger than the sum of its proper divisors (39473673964190).

55251504124642 is a wasteful number, since it uses less digits than its factorization.

55251504124642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346411473.

The product of its (nonzero) digits is 1920000, while the sum is 46.

Adding to 55251504124642 its reverse (24642140515255), we get a palindrome (79893644639897).

The spelling of 55251504124642 in words is "fifty-five trillion, two hundred fifty-one billion, five hundred four million, one hundred twenty-four thousand, six hundred forty-two".