5051621554 has 16 divisors (see below), whose sum is σ = 8939275776. Its totient is φ = 2095142400.

The previous prime is 5051621503. The next prime is 5051621557. The reversal of 5051621554 is 4551261505.

It is a super-3 number, since 3×5051621554³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5051621557) 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, 5819407 + ... + 5820274.

It is an arithmetic number, because the mean of its divisors is an integer number (558704736).

Almost surely, 2^5051621554 is an apocalyptic number.

5051621554 is a deficient number, since it is larger than the sum of its proper divisors (3887654222).

5051621554 is a wasteful number, since it uses less digits than its factorization.

5051621554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639721.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 5051621554 is about 71074.7603161629. The cubic root of 5051621554 is about 1715.8405843417.

The spelling of 5051621554 in words is "five billion, fifty-one million, six hundred twenty-one thousand, five hundred fifty-four".